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13259966052968 = 231657495756621
BaseRepresentation
bin1100000011110101001110…
…0100001111101001101000
31201221122021211111022221122
43000331103210033221220
53214222402302143333
644111313323154412
72536000214525225
oct300752344175150
951848254438848
1013259966052968
11425257a172058
1215a1a53975a08
137525426aa06b
1433bb0028094c
1517edc73a5798
hexc0f5390fa68

13259966052968 has 8 divisors (see below), whose sum is σ = 24862436349330. Its totient is φ = 6629983026480.

The previous prime is 13259966052947. The next prime is 13259966052973. The reversal of 13259966052968 is 86925066995231.

It can be written as a sum of positive squares in only one way, i.e., 6879300156964 + 6380665896004 = 2622842^2 + 2525998^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 828747878303 + ... + 828747878318.

Almost surely, 213259966052968 is an apocalyptic number.

It is an amenable number.

13259966052968 is a deficient number, since it is larger than the sum of its proper divisors (11602470296362).

13259966052968 is a wasteful number, since it uses less digits than its factorization.

13259966052968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657495756627 (or 1657495756623 counting only the distinct ones).

The product of its (nonzero) digits is 377913600, while the sum is 71.

The spelling of 13259966052968 in words is "thirteen trillion, two hundred fifty-nine billion, nine hundred sixty-six million, fifty-two thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 1657495756621 3314991513242 6629983026484 13259966052968