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13129606017836 = 2271148787533041
BaseRepresentation
bin1011111100001111100110…
…0000001011001100101100
31201111011210211002101222022
42333003321200023030230
53210103413120032321
643531354023205312
72523403606516610
oct277037140131454
951434724071868
1013129606017836
114202264344230
1215807325a6838
137431690477b9
14335695055340
1517b7e7b24dab
hexbf0f980b32c

13129606017836 has 48 divisors (see below), whose sum is σ = 28705235661312. Its totient is φ = 5104926892800.

The previous prime is 13129606017739. The next prime is 13129606017917. The reversal of 13129606017836 is 63871060692131.

13129606017836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 43616525 + ... + 43916516.

It is an arithmetic number, because the mean of its divisors is an integer number (598025742944).

Almost surely, 213129606017836 is an apocalyptic number.

It is an amenable number.

13129606017836 is an abundant number, since it is smaller than the sum of its proper divisors (15575629643476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13129606017836 is a wasteful number, since it uses less digits than its factorization.

13129606017836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87533550 (or 87533548 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 13129606017836 in words is "thirteen trillion, one hundred twenty-nine billion, six hundred six million, seventeen thousand, eight hundred thirty-six".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 487 974 1948 3409 5357 6818 10714 13636 21428 37499 74998 149996 87533041 175066082 350132164 612731287 962863451 1225462574 1925726902 2450925148 3851453804 6740044157 13480088314 26960176628 42628590967 85257181934 170514363868 298400136769 468914500637 596800273538 937829001274 1193600547076 1875658002548 3282401504459 6564803008918 13129606017836