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23021102104 = 237111310128463
BaseRepresentation
bin10101011100001010…
…100010010000011000
32012102101021011020021
4111130022202100120
5334121400231404
614324210040224
71443325065520
oct253412422030
965371234207
1023021102104
1198438a2820
124565879074
13222b56a110
141185622680
158eb0cc454
hex55c2a2418

23021102104 has 128 divisors (see below), whose sum is σ = 58531092480. Its totient is φ = 8197056000.

The previous prime is 23021102087. The next prime is 23021102131. The reversal of 23021102104 is 40120112032.

It is a super-2 number, since 2×230211021042 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 794577 + ... + 823039.

It is an arithmetic number, because the mean of its divisors is an integer number (457274160).

Almost surely, 223021102104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23021102104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29265546240).

23021102104 is an abundant number, since it is smaller than the sum of its proper divisors (35509990376).

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

23021102104 is a wasteful number, since it uses less digits than its factorization.

23021102104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28601 (or 28597 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 23021102104 its reverse (40120112032), we get a palindrome (63141214136).

The spelling of 23021102104 in words is "twenty-three billion, twenty-one million, one hundred two thousand, one hundred four".

Divisors: 1 2 4 7 8 11 13 14 22 26 28 44 52 56 77 88 91 101 104 143 154 182 202 286 308 364 404 572 616 707 728 808 1001 1111 1144 1313 1414 2002 2222 2626 2828 4004 4444 5252 5656 7777 8008 8888 9191 10504 14443 15554 18382 28463 28886 31108 36764 56926 57772 62216 73528 101101 113852 115544 199241 202202 227704 313093 370019 398482 404404 626186 740038 796964 808808 1252372 1480076 1593928 2191651 2504744 2590133 2874763 2960152 4070209 4383302 5180266 5749526 8140418 8766604 10360532 11499052 16280836 17533208 20123341 20721064 22998104 28491463 31622393 32561672 37371919 40246682 56982926 63244786 74743838 80493364 113965852 126489572 149487676 160986728 221356751 227931704 252979144 261603433 298975352 411091109 442713502 523206866 822182218 885427004 1046413732 1644364436 1770854008 2092827464 2877637763 3288728872 5755275526 11510551052 23021102104