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25268482166 = 2195871132811
BaseRepresentation
bin10111100010000111…
…100111000001110110
32102020000002220002212
4113202013213001312
5403222212412131
615335211133422
71553114361134
oct274207470166
972200086085
1025268482166
11a797443714
124a92444272
1324c904a4c5
141319cb4754
159cd557a2b
hex5e21e7076

25268482166 has 16 divisors (see below), whose sum is σ = 39965607360. Its totient is φ = 11948879880.

The previous prime is 25268482139. The next prime is 25268482189. The reversal of 25268482166 is 66128486252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544100 + ... + 588711.

It is an arithmetic number, because the mean of its divisors is an integer number (2497850460).

Almost surely, 225268482166 is an apocalyptic number.

25268482166 is a deficient number, since it is larger than the sum of its proper divisors (14697125194).

25268482166 is a wasteful number, since it uses less digits than its factorization.

25268482166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133419.

The product of its digits is 2211840, while the sum is 50.

The spelling of 25268482166 in words is "twenty-five billion, two hundred sixty-eight million, four hundred eighty-two thousand, one hundred sixty-six".

Divisors: 1 2 19 38 587 1174 11153 22306 1132811 2265622 21523409 43046818 664960057 1329920114 12634241083 25268482166