Base | Representation |
---|---|
bin | 10111010101101101… |
… | …10001111101011001 |
3 | 1012100020201021000022 |
4 | 23222312301331121 |
5 | 201130210213140 |
6 | 5431204520225 |
7 | 622336430024 |
oct | 135266617531 |
9 | 35306637008 |
10 | 12530163545 |
11 | 534aa50369 |
12 | 25183b0075 |
13 | 1248c4b173 |
14 | 86c1c61bb |
15 | 4d50960b5 |
hex | 2eadb1f59 |
12530163545 has 32 divisors (see below), whose sum is σ = 15980267520. Its totient is φ = 9415042560.
The previous prime is 12530163533. The next prime is 12530163551. The reversal of 12530163545 is 54536103521.
It is a de Polignac number, because none of the positive numbers 2k-12530163545 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2178944 + ... + 2184686.
It is an arithmetic number, because the mean of its divisors is an integer number (499383360).
Almost surely, 212530163545 is an apocalyptic number.
It is an amenable number.
12530163545 is a deficient number, since it is larger than the sum of its proper divisors (3450103975).
12530163545 is a wasteful number, since it uses less digits than its factorization.
12530163545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6185.
The product of its (nonzero) digits is 54000, while the sum is 35.
The spelling of 12530163545 in words is "twelve billion, five hundred thirty million, one hundred sixty-three thousand, five hundred forty-five".
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