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27988750102 = 21131371675413
BaseRepresentation
bin11010000100010000…
…100110111100010110
32200020120202211012011
4122010100212330112
5424310110000402
620505144014434
72010405310345
oct320420467426
980216684164
1027988750102
1110962a13235
12551146141a
1328407ac2c1
1414d72a1b5c
15adc292ed7
hex684426f16

27988750102 has 32 divisors (see below), whose sum is σ = 42927216192. Its totient is φ = 13684306944.

The previous prime is 27988750061. The next prime is 27988750121. The reversal of 27988750102 is 20105788972.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5167948 + ... + 5173360.

It is an arithmetic number, because the mean of its divisors is an integer number (1341475506).

Almost surely, 227988750102 is an apocalyptic number.

27988750102 is a deficient number, since it is larger than the sum of its proper divisors (14938466090).

27988750102 is a wasteful number, since it uses less digits than its factorization.

27988750102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5832.

The product of its (nonzero) digits is 564480, while the sum is 49.

The spelling of 27988750102 in words is "twenty-seven billion, nine hundred eighty-eight million, seven hundred fifty thousand, one hundred two".

Divisors: 1 2 113 137 167 226 274 334 5413 10826 15481 18871 22879 30962 37742 45758 611669 741581 903971 1223338 1483162 1807942 2585327 5170654 83798653 102148723 123844027 167597306 204297446 247688054 13994375051 27988750102