Base | Representation |
---|---|
bin | 11000100001010000… |
… | …01100110010000001 |
3 | 1020222102011011022212 |
4 | 30100220030302001 |
5 | 203424423003312 |
6 | 10014123311505 |
7 | 644133044435 |
oct | 142050146201 |
9 | 36872134285 |
10 | 13163875457 |
11 | 5645734517 |
12 | 267467b595 |
13 | 131a31b425 |
14 | 8cc4269c5 |
15 | 520a22822 |
hex | 310a0cc81 |
13163875457 has 16 divisors (see below), whose sum is σ = 13574466000. Its totient is φ = 12760535040.
The previous prime is 13163875441. The next prime is 13163875471. The reversal of 13163875457 is 75457836131.
It can be written as a sum of positive squares in 8 ways, for example, as 9658761841 + 3505113616 = 98279^2 + 59204^2 .
It is a cyclic number.
It is not a de Polignac number, because 13163875457 - 24 = 13163875441 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13163875427) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1717169 + ... + 1724817.
It is an arithmetic number, because the mean of its divisors is an integer number (848404125).
Almost surely, 213163875457 is an apocalyptic number.
It is an amenable number.
13163875457 is a deficient number, since it is larger than the sum of its proper divisors (410590543).
13163875457 is an equidigital number, since it uses as much as digits as its factorization.
13163875457 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8116.
The product of its digits is 2116800, while the sum is 50.
The spelling of 13163875457 in words is "thirteen billion, one hundred sixty-three million, eight hundred seventy-five thousand, four hundred fifty-seven".
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