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13591108668963 = 3731717123119233
BaseRepresentation
bin1100010111000110110100…
…1101000100111000100011
31210010022000201202011112210
43011301231031010320203
53240134042304401323
644523400310453203
72601632225364450
oct305615515047043
953108021664483
1013591108668963
11436aa58584721
12163606a964203
13777836522ba7
1434db554a0827
15188808b41293
hexc5c6d344e23

13591108668963 has 32 divisors (see below), whose sum is σ = 20776980450816. Its totient is φ = 7741331232768.

The previous prime is 13591108668887. The next prime is 13591108668971. The reversal of 13591108668963 is 36986680119531.

It is not a de Polignac number, because 13591108668963 - 28 = 13591108668707 is a prime.

It is a super-2 number, since 2×135911086689632 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13591108668894 and 13591108668903.

It is not an unprimeable number, because it can be changed into a prime (13591108668563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113928195 + ... + 114047427.

It is an arithmetic number, because the mean of its divisors is an integer number (649280639088).

Almost surely, 213591108668963 is an apocalyptic number.

13591108668963 is a deficient number, since it is larger than the sum of its proper divisors (7185871781853).

13591108668963 is a wasteful number, since it uses less digits than its factorization.

13591108668963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136683.

The product of its (nonzero) digits is 50388480, while the sum is 66.

The spelling of 13591108668963 in words is "thirteen trillion, five hundred ninety-one billion, one hundred eight million, six hundred sixty-eight thousand, nine hundred sixty-three".

Divisors: 1 3 7 21 317 951 2219 6657 17123 51369 119233 119861 357699 359583 834631 2503893 5427991 16283973 37796861 37995937 113390583 113987811 264578027 793734081 2041626659 6124879977 14291386613 42874159839 647195650903 1941586952709 4530369556321 13591108668963