Base | Representation |
---|---|
bin | 11000011101001101… |
… | …10100110000010000 |
3 | 1020220001100002201000 |
4 | 30032212310300100 |
5 | 203342232213324 |
6 | 10010512342000 |
7 | 643241552055 |
oct | 141646646020 |
9 | 36801302630 |
10 | 13129960464 |
11 | 562857a6a5 |
12 | 2665244900 |
13 | 13132a549a |
14 | 8c7b1902c |
15 | 51ca739c9 |
hex | 30e9b4c10 |
13129960464 has 40 divisors (see below), whose sum is σ = 37687850720. Its totient is φ = 4376653344.
The previous prime is 13129960463. The next prime is 13129960471. The reversal of 13129960464 is 46406992131.
13129960464 is a `hidden beast` number, since 1 + 3 + 129 + 9 + 60 + 464 = 666.
It is not an unprimeable number, because it can be changed into a prime (13129960463) 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, 15196282 + ... + 15197145.
It is an arithmetic number, because the mean of its divisors is an integer number (942196268).
Almost surely, 213129960464 is an apocalyptic number.
It is an amenable number.
13129960464 is an abundant number, since it is smaller than the sum of its proper divisors (24557890256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13129960464 is a wasteful number, since it uses less digits than its factorization.
13129960464 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30393444 (or 30393432 counting only the distinct ones).
The product of its (nonzero) digits is 279936, while the sum is 45.
The spelling of 13129960464 in words is "thirteen billion, one hundred twenty-nine million, nine hundred sixty thousand, four hundred sixty-four".
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