Base | Representation |
---|---|
bin | 11000100000111100… |
… | …11000100111101000 |
3 | 1020222020022102220022 |
4 | 30100132120213220 |
5 | 203423243140004 |
6 | 10013552220012 |
7 | 644102140220 |
oct | 142036304750 |
9 | 36866272808 |
10 | 13161302504 |
11 | 5644237409 |
12 | 267383a608 |
13 | 131992a27c |
14 | 8cbd57080 |
15 | 5206b52be |
hex | 3107989e8 |
13161302504 has 32 divisors (see below), whose sum is σ = 28235726400. Its totient is φ = 5633971200.
The previous prime is 13161302459. The next prime is 13161302509. The reversal of 13161302504 is 40520316131.
It is not an unprimeable number, because it can be changed into a prime (13161302509) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88697 + ... + 184904.
It is an arithmetic number, because the mean of its divisors is an integer number (882366450).
Almost surely, 213161302504 is an apocalyptic number.
13161302504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
13161302504 is an abundant number, since it is smaller than the sum of its proper divisors (15074423896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13161302504 is a wasteful number, since it uses less digits than its factorization.
13161302504 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 274473 (or 274469 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 26.
Adding to 13161302504 its reverse (40520316131), we get a palindrome (53681618635).
The spelling of 13161302504 in words is "thirteen billion, one hundred sixty-one million, three hundred two thousand, five hundred four".
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