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26281538904113 = 793172843369137
BaseRepresentation
bin1011111100111001001011…
…10010100110000000110001
310110001111020122010020121222
411332130211302212000301
511421044042424412423
6131521323340554425
75351531014521443
oct576344562460061
9113044218106558
1026281538904113
118412a3560a149
122b45656252a15
13118845285b84c
1466c067416493
1530899a8e33c8
hex17e725ca6031

26281538904113 has 16 divisors (see below), whose sum is σ = 26707636327680. Its totient is φ = 25857835051776.

The previous prime is 26281538904107. The next prime is 26281538904139. The reversal of 26281538904113 is 31140983518262.

It is not a de Polignac number, because 26281538904113 - 222 = 26281534709809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26281538904613) 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, 71012681 + ... + 71381817.

It is an arithmetic number, because the mean of its divisors is an integer number (1669227270480).

Almost surely, 226281538904113 is an apocalyptic number.

It is an amenable number.

26281538904113 is a deficient number, since it is larger than the sum of its proper divisors (426097423567).

26281538904113 is a wasteful number, since it uses less digits than its factorization.

26281538904113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372376.

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 26281538904113 in words is "twenty-six trillion, two hundred eighty-one billion, five hundred thirty-eight million, nine hundred four thousand, one hundred thirteen".

Divisors: 1 79 317 2843 25043 224597 369137 901231 29161823 71197249 117016429 1049456491 9244297891 82907062789 332677707647 26281538904113