Search a number
-
+
210220222010220 = 2232510971064621807
BaseRepresentation
bin101111110011000110110101…
…101010000101001101101100
31000120022212010201102112220200
4233303012311222011031230
5210023222003313311340
62023033500424313500
762164624034121132
oct5763066552051554
91016285121375820
10210220222010220
1160a89993993104
121b6b2107012890
13903b8b3103896
1439ca9da7cb752
15194849c928330
hexbf31b5a8536c

210220222010220 has 72 divisors (see below), whose sum is σ = 638249290870464. Its totient is φ = 56007623970048.

The previous prime is 210220222010219. The next prime is 210220222010261. The reversal of 210220222010220 is 22010222022012.

210220222010220 is a `hidden beast` number, since 2 + 1 + 0 + 220 + 2 + 220 + 1 + 0 + 220 = 666.

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 = 210220222010193 and 210220222010202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 532113444 + ... + 532508363.

It is an arithmetic number, because the mean of its divisors is an integer number (8864573484312).

Almost surely, 2210220222010220 is an apocalyptic number.

210220222010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210220222010220 is an abundant number, since it is smaller than the sum of its proper divisors (428029068860244).

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

210220222010220 is a wasteful number, since it uses less digits than its factorization.

210220222010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064622919 (or 1064622914 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 210220222010220 its reverse (22010222022012), we get a palindrome (232230444032232).

The spelling of 210220222010220 in words is "two hundred ten trillion, two hundred twenty billion, two hundred twenty-two million, ten thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 1097 2194 3291 4388 5485 6582 9873 10970 13164 16455 19746 21940 32910 39492 49365 65820 98730 197460 1064621807 2129243614 3193865421 4258487228 5323109035 6387730842 9581596263 10646218070 12775461684 15969327105 19163192526 21292436140 31938654210 38326385052 47907981315 63877308420 95815962630 191631925260 1167890122279 2335780244558 3503670366837 4671560489116 5839450611395 7007340733674 10511011100511 11678901222790 14014681467348 17518351834185 21022022201022 23357802445580 35036703668370 42044044402044 52555055502555 70073407336740 105110111005110 210220222010220