Base | Representation |
---|---|
bin | 11000101011100111… |
… | …01010111101111101 |
3 | 1021012110122210112112 |
4 | 30111303222331331 |
5 | 204114144100030 |
6 | 10030505543405 |
7 | 646236450623 |
oct | 142563527575 |
9 | 37173583475 |
10 | 13250768765 |
11 | 568a793773 |
12 | 26997a4b65 |
13 | 13323232a0 |
14 | 8d9ba5513 |
15 | 528488a95 |
hex | 315ceaf7d |
13250768765 has 32 divisors (see below), whose sum is σ = 17472018816. Its totient is φ = 9586886400.
The previous prime is 13250768753. The next prime is 13250768771. The reversal of 13250768765 is 56786705231.
It is not a de Polignac number, because 13250768765 - 24 = 13250768749 is a prime.
It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
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, 2846690 + ... + 2851340.
It is an arithmetic number, because the mean of its divisors is an integer number (546000588).
Almost surely, 213250768765 is an apocalyptic number.
It is an amenable number.
13250768765 is a deficient number, since it is larger than the sum of its proper divisors (4221250051).
13250768765 is a wasteful number, since it uses less digits than its factorization.
13250768765 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5549.
The product of its (nonzero) digits is 2116800, while the sum is 50.
The spelling of 13250768765 in words is "thirteen billion, two hundred fifty million, seven hundred sixty-eight thousand, seven hundred sixty-five".
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