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13904726250239 = 111979842149249
BaseRepresentation
bin1100101001010111001001…
…0001001101001011111111
31211020021112021112222222222
43022111302101031023333
53310303334410001424
645323424255555555
72633404036010216
oct312256221151377
954207467488888
1013904726250239
114480a63522320
1216869b482bbbb
1379b2966665a6
14360dc6db007d
15191a61a93e5e
hexca57244d2ff

13904726250239 has 16 divisors (see below), whose sum is σ = 16169265600000. Its totient is φ = 11823775441920.

The previous prime is 13904726250227. The next prime is 13904726250257. The reversal of 13904726250239 is 93205262740931.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13904726250239 - 216 = 13904726184703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13904726250269) 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, 421058114 + ... + 421091135.

It is an arithmetic number, because the mean of its divisors is an integer number (1010579100000).

Almost surely, 213904726250239 is an apocalyptic number.

13904726250239 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13904726250239 is a deficient number, since it is larger than the sum of its proper divisors (2264539349761).

13904726250239 is a wasteful number, since it uses less digits than its factorization.

13904726250239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842149358.

The product of its (nonzero) digits is 4898880, while the sum is 53.

The spelling of 13904726250239 in words is "thirteen trillion, nine hundred four billion, seven hundred twenty-six million, two hundred fifty thousand, two hundred thirty-nine".

Divisors: 1 11 19 79 209 869 1501 16511 842149249 9263641739 16000835731 66529790671 176009193041 731827697381 1264066022749 13904726250239