Base | Representation |
---|---|
bin | 1011011010001111110100… |
… | …1001000000001101100011 |
3 | 1122102100021001110210001102 |
4 | 2312203331021000031203 |
5 | 3121021242141001011 |
6 | 42403202524025015 |
7 | 2433246314160266 |
oct | 266437511001543 |
9 | 48370231423042 |
10 | 12545551500131 |
11 | 3aa75a183a581 |
12 | 14a74b399216b |
13 | 70006aa95a20 |
14 | 3152ca7d0cdd |
15 | 16b512ace73b |
hex | b68fd240363 |
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".
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