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2152227916872 = 23321122312185917
BaseRepresentation
bin11111010100011010110…
…001111100110001001000
321121202021110112021020100
4133110122301330301020
5240230230321314442
64324415253325400
7311331133306545
oct37243261746110
97552243467210
102152227916872
1175a833606950
122a9148936860
13127c5356ac27
14762500a7bcc
153aeb749084c
hex1f51ac7cc48

2152227916872 has 96 divisors (see below), whose sum is σ = 6387370778880. Its totient is φ = 649265604480.

The previous prime is 2152227916841. The next prime is 2152227916901. The reversal of 2152227916872 is 2786197222512.

It is a happy number.

2152227916872 is a `hidden beast` number, since 2 + 1 + 522 + 27 + 9 + 16 + 87 + 2 = 666.

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, 5916343 + ... + 6269574.

It is an arithmetic number, because the mean of its divisors is an integer number (66535112280).

Almost surely, 22152227916872 is an apocalyptic number.

2152227916872 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2152227916872 is an abundant number, since it is smaller than the sum of its proper divisors (4235142862008).

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

2152227916872 is a wasteful number, since it uses less digits than its factorization.

2152227916872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12186163 (or 12186156 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The spelling of 2152227916872 in words is "two trillion, one hundred fifty-two billion, two hundred twenty-seven million, nine hundred sixteen thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 33 36 44 66 72 88 99 132 198 223 264 396 446 669 792 892 1338 1784 2007 2453 2676 4014 4906 5352 7359 8028 9812 14718 16056 19624 22077 29436 44154 58872 88308 176616 12185917 24371834 36557751 48743668 73115502 97487336 109673253 134045087 146231004 219346506 268090174 292462008 402135261 438693012 536180348 804270522 877386024 1072360696 1206405783 1608541044 2412811566 2717459491 3217082088 4825623132 5434918982 8152378473 9651246264 10869837964 16304756946 21739675928 24457135419 29892054401 32609513892 48914270838 59784108802 65219027784 89676163203 97828541676 119568217604 179352326406 195657083352 239136435208 269028489609 358704652812 538056979218 717409305624 1076113958436 2152227916872