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27445631160 = 2335228713593
BaseRepresentation
bin11001100011111000…
…110001100010111000
32121211201210112001210
4121203320301202320
5422202040144120
620335223043120
71661062005243
oct314370614270
977751715053
1027445631160
1110704385a02
12539b5a04a0
13278510ab4c
1414850c425a
15aa975dce0
hex663e318b8

27445631160 has 32 divisors (see below), whose sum is σ = 82336893840. Its totient is φ = 7318834944.

The previous prime is 27445631149. The next prime is 27445631189. The reversal of 27445631160 is 6113654472.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114356677 + ... + 114356916.

Almost surely, 227445631160 is an apocalyptic number.

27445631160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27445631160 is an abundant number, since it is smaller than the sum of its proper divisors (54891262680).

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

27445631160 is a wasteful number, since it uses less digits than its factorization.

27445631160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228713607 (or 228713603 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 27445631160 in words is "twenty-seven billion, four hundred forty-five million, six hundred thirty-one thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 228713593 457427186 686140779 914854372 1143567965 1372281558 1829708744 2287135930 2744563116 3430703895 4574271860 5489126232 6861407790 9148543720 13722815580 27445631160