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72844850131812 = 223211276316657437
BaseRepresentation
bin10000100100000010000011…
…011010100111001101100100
3100112220220021212001010022100
4100210002003122213031210
534021442223113204222
6414532243454532100
721225603202540653
oct2044020332471544
9315826255033270
1072844850131812
1121235366924540
1282059a0b07030
133185317074975
1413db9d105719a
15864cdd49d4ac
hex4240836a7364

72844850131812 has 72 divisors (see below), whose sum is σ = 200882492883072. Its totient is φ = 22073394801600.

The previous prime is 72844850131721. The next prime is 72844850131877. The reversal of 72844850131812 is 21813105844827.

72844850131812 is a `hidden beast` number, since 7 + 2 + 8 + 448 + 5 + 0 + 13 + 181 + 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, 7613158 + ... + 14270594.

It is an arithmetic number, because the mean of its divisors is an integer number (2790034623376).

Almost surely, 272844850131812 is an apocalyptic number.

It is an amenable number.

72844850131812 is an abundant number, since it is smaller than the sum of its proper divisors (128037642751260).

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

72844850131812 is a wasteful number, since it uses less digits than its factorization.

72844850131812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6685089 (or 6685084 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 54.

The spelling of 72844850131812 in words is "seventy-two trillion, eight hundred forty-four billion, eight hundred fifty million, one hundred thirty-one thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 27631 55262 82893 110524 165786 248679 303941 331572 497358 607882 911823 994716 1215764 1823646 2735469 3647292 5470938 6657437 10941876 13314874 19972311 26629748 39944622 59916933 73231807 79889244 119833866 146463614 219695421 239667732 292927228 439390842 659086263 878781684 1318172526 2636345052 183951641747 367903283494 551854925241 735806566988 1103709850482 1655564775723 2023468059217 2207419700964 3311129551446 4046936118434 6070404177651 6622259102892 8093872236868 12140808355302 18211212532953 24281616710604 36422425065906 72844850131812