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12545551500131 = 1337179241604609
BaseRepresentation
bin1011011010001111110100…
…1001000000001101100011
31122102100021001110210001102
42312203331021000031203
53121021242141001011
642403202524025015
72433246314160266
oct266437511001543
948370231423042
1012545551500131
113aa75a183a581
1214a74b399216b
1370006aa95a20
143152ca7d0cdd
1516b512ace73b
hexb68fd240363

12545551500131 has 32 divisors (see below), whose sum is σ = 14011183771200. Its totient is φ = 11158064824320.

The previous prime is 12545551500121. The next prime is 12545551500149. The reversal of 12545551500131 is 13100515554521.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12545551500131 is a prime.

It is a super-2 number, since 2×125455515001312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12545551500121) 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, 20447555 + ... + 21052163.

It is an arithmetic number, because the mean of its divisors is an integer number (437849492850).

Almost surely, 212545551500131 is an apocalyptic number.

12545551500131 is a deficient number, since it is larger than the sum of its proper divisors (1465632271069).

12545551500131 is a wasteful number, since it uses less digits than its factorization.

12545551500131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605079.

The product of its (nonzero) digits is 75000, while the sum is 38.

The spelling of 12545551500131 in words is "twelve trillion, five hundred forty-five billion, five hundred fifty-one million, five hundred thousand, one hundred thirty-one".

Divisors: 1 13 37 179 241 481 2327 3133 6623 8917 43139 86099 115921 560807 604609 1596143 7859917 20749859 22370533 108225011 145710769 290816929 1406925143 1894239997 4004325407 5391298453 26082227651 52056230291 70086879889 339068959463 965042423087 12545551500131