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13825039157 = 234185717107
BaseRepresentation
bin11001110000000100…
…10101101100110101
31022200111020202102022
430320002111230311
5211303202223112
610203502322525
7666411615416
oct147002255465
938614222368
1013825039157
1159549685a6
122819b89445
1313c42b0857
1495217180d
1555dac2d72
hex338095b35

13825039157 has 16 divisors (see below), whose sum is σ = 14796093312. Its totient is φ = 12885607680.

The previous prime is 13825039147. The next prime is 13825039211. The reversal of 13825039157 is 75193052831.

It is a cyclic number.

It is not a de Polignac number, because 13825039157 - 212 = 13825035061 is a prime.

It is a super-2 number, since 2×138250391572 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13825039147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 799598 + ... + 816704.

It is an arithmetic number, because the mean of its divisors is an integer number (924755832).

Almost surely, 213825039157 is an apocalyptic number.

It is an amenable number.

13825039157 is a deficient number, since it is larger than the sum of its proper divisors (971054155).

13825039157 is a wasteful number, since it uses less digits than its factorization.

13825039157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18028.

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 13825039157 in words is "thirteen billion, eight hundred twenty-five million, thirty-nine thousand, one hundred fifty-seven".

Divisors: 1 23 41 857 943 17107 19711 35137 393461 701387 808151 14660699 16131901 337196077 601088659 13825039157