Base | Representation |
---|---|
bin | 10111100010111101… |
… | …00011011000001011 |
3 | 1012121222202011220221 |
4 | 23301132203120023 |
5 | 201342130043000 |
6 | 5450213530511 |
7 | 625155606436 |
oct | 136136433013 |
9 | 35558664827 |
10 | 12641252875 |
11 | 53a7726429 |
12 | 2549643a37 |
13 | 1265c752b4 |
14 | 87cc6281d |
15 | 4debdb61a |
hex | 2f17a360b |
12641252875 has 32 divisors (see below), whose sum is σ = 16240992768. Its totient is φ = 9817970400.
The previous prime is 12641252849. The next prime is 12641252879. The reversal of 12641252875 is 57825214621.
It is not a de Polignac number, because 12641252875 - 215 = 12641220107 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (43).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12641252879) 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, 890584 + ... + 904666.
It is an arithmetic number, because the mean of its divisors is an integer number (507531024).
Almost surely, 212641252875 is an apocalyptic number.
12641252875 is a deficient number, since it is larger than the sum of its proper divisors (3599739893).
12641252875 is a wasteful number, since it uses less digits than its factorization.
12641252875 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14308 (or 14298 counting only the distinct ones).
The product of its digits is 268800, while the sum is 43.
The spelling of 12641252875 in words is "twelve billion, six hundred forty-one million, two hundred fifty-two thousand, eight hundred seventy-five".
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