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23021113003020 = 223251125574547057
BaseRepresentation
bin1010011110000000001010…
…10000110100110000001100
310000111210111221120110110200
411033000011100310300030
511004134214412044040
6120543430414333500
74564135432603446
oct517000520646014
9100453457513420
1023021113003020
117376221149440
1226b97901ba290
13cacb5cc72922
145983291a1496
1529dc72de9630
hex14f005434c0c

23021113003020 has 144 divisors (see below), whose sum is σ = 76208764832928. Its totient is φ = 5578692065280.

The previous prime is 23021113002989. The next prime is 23021113003051. The reversal of 23021113003020 is 2030031112032.

23021113003020 is a `hidden beast` number, since 2 + 30 + 21 + 11 + 300 + 302 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (23021113002989) and next prime (23021113003051).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23021113002984 and 23021113003002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2789332 + ... + 7336388.

It is an arithmetic number, because the mean of its divisors is an integer number (529227533562).

Almost surely, 223021113003020 is an apocalyptic number.

23021113003020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23021113003020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38104382416464).

23021113003020 is an abundant number, since it is smaller than the sum of its proper divisors (53187651829908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23021113003020 is a wasteful number, since it uses less digits than its factorization.

23021113003020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4549640 (or 4549635 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23021113003020 its reverse (2030031112032), we get a palindrome (25051144115052).

It can be divided in two parts, 230211 and 13003020, that added together give a palindrome (13233231).

The spelling of 23021113003020 in words is "twenty-three trillion, twenty-one billion, one hundred thirteen million, three thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 132 165 180 198 220 330 396 495 660 990 1980 2557 5114 7671 10228 12785 15342 23013 25570 28127 30684 38355 46026 51140 56254 76710 84381 92052 112508 115065 140635 153420 168762 230130 253143 281270 337524 421905 460260 506286 562540 843810 1012572 1265715 1687620 2531430 4547057 5062860 9094114 13641171 18188228 22735285 27282342 40923513 45470570 50017627 54564684 68205855 81847026 90941140 100035254 136411710 150052881 163694052 200070508 204617565 250088135 272823420 300105762 409235130 450158643 500176270 600211524 750264405 818470260 900317286 1000352540 1500528810 1800634572 2250793215 3001057620 4501586430 9003172860 11626824749 23253649498 34880474247 46507298996 58134123745 69760948494 104641422741 116268247490 127895072239 139521896988 174402371235 209282845482 232536494980 255790144478 348804742470 383685216717 418565690964 511580288956 523207113705 639475361195 697609484940 767370433434 1046414227410 1151055650151 1278950722390 1534740866868 1918426083585 2092828454820 2302111300302 2557901444780 3836852167170 4604222600604 5755278250755 7673704334340 11510556501510 23021113003020