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72331351296 = 28394181447
BaseRepresentation
bin100001101011101001…
…0001101010100000000
320220200220012100121220
41003113102031110000
52141113311220141
653121211515040
75140303225131
oct1032722152400
9226626170556
1072331351296
1128748186886
1212027758a80
136a89448869
1437024c5c88
151d35126766
hex10d748d500

72331351296 has 36 divisors (see below), whose sum is σ = 192506879712. Its totient is φ = 24110450176.

The previous prime is 72331351271. The next prime is 72331351321. The reversal of 72331351296 is 69215313327.

It is an interprime number because it is at equal distance from previous prime (72331351271) and next prime (72331351321).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47089956 + ... + 47091491.

Almost surely, 272331351296 is an apocalyptic number.

It is an amenable number.

72331351296 is an abundant number, since it is smaller than the sum of its proper divisors (120175528416).

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

72331351296 is an equidigital number, since it uses as much as digits as its factorization.

72331351296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94181466 (or 94181452 counting only the distinct ones).

The product of its digits is 204120, while the sum is 42.

The spelling of 72331351296 in words is "seventy-two billion, three hundred thirty-one million, three hundred fifty-one thousand, two hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 768 94181447 188362894 282544341 376725788 565088682 753451576 1130177364 1506903152 2260354728 3013806304 4520709456 6027612608 9041418912 12055225216 18082837824 24110450432 36165675648 72331351296