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27910274772 = 2232980201939
BaseRepresentation
bin11001111111100101…
…001111111011010100
32200001010002212021110
4121333211033323110
5424130012243042
620453302015020
72005433264322
oct317745177324
980033085243
1027910274772
1110922693596
1254ab117470
13282a463bb3
1414caab4d12
15ad544109c
hex67f94fed4

27910274772 has 24 divisors (see below), whose sum is σ = 67369629600. Its totient is φ = 8982617056.

The previous prime is 27910274683. The next prime is 27910274779. The reversal of 27910274772 is 27747201972.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27910274779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40100622 + ... + 40101317.

It is an arithmetic number, because the mean of its divisors is an integer number (2807067900).

Almost surely, 227910274772 is an apocalyptic number.

It is an amenable number.

27910274772 is an abundant number, since it is smaller than the sum of its proper divisors (39459354828).

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

27910274772 is a wasteful number, since it uses less digits than its factorization.

27910274772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80201975 (or 80201973 counting only the distinct ones).

The product of its (nonzero) digits is 691488, while the sum is 48.

The spelling of 27910274772 in words is "twenty-seven billion, nine hundred ten million, two hundred seventy-four thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 80201939 160403878 240605817 320807756 481211634 962423268 2325856231 4651712462 6977568693 9303424924 13955137386 27910274772