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7131712268879 = 112351539546937
BaseRepresentation
bin110011111000111101100…
…1011010010101001001111
3221020210012021211111022222
41213301323023102221033
51413321221320101004
623100132520325555
71334151323036132
oct147617313225117
927223167744288
107131712268879
1122aa5a671a420
129722100138bb
133c9696183bc3
141a9268c9c219
15c57a3a3b7be
hex67c7b2d2a4f

7131712268879 has 16 divisors (see below), whose sum is σ = 8118485141760. Its totient is φ = 6201357264960.

The previous prime is 7131712268867. The next prime is 7131712268887. The reversal of 7131712268879 is 9788622171317.

It is not a de Polignac number, because 7131712268879 - 220 = 7131711220303 is a prime.

It is a super-2 number, since 2×71317122688792 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7131712268179) 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, 12765899 + ... + 13312835.

It is an arithmetic number, because the mean of its divisors is an integer number (507405321360).

Almost surely, 27131712268879 is an apocalyptic number.

7131712268879 is a deficient number, since it is larger than the sum of its proper divisors (986772872881).

7131712268879 is a wasteful number, since it uses less digits than its factorization.

7131712268879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598510.

The product of its digits is 14224896, while the sum is 62.

The spelling of 7131712268879 in words is "seven trillion, one hundred thirty-one billion, seven hundred twelve million, two hundred sixty-eight thousand, eight hundred seventy-nine".

Divisors: 1 11 23 253 51539 546937 566929 1185397 6016307 12579551 13039367 138375061 28188586043 310074446473 648337478989 7131712268879