Base | Representation |
---|---|
bin | 11000000011010001… |
… | …11011111101101010 |
3 | 1020022212222102012222 |
4 | 30001220323331222 |
5 | 202421034113344 |
6 | 5533141434042 |
7 | 634660451405 |
oct | 140150737552 |
9 | 36285872188 |
10 | 12912410474 |
11 | 55267a0117 |
12 | 260440b922 |
13 | 12aa1b4c92 |
14 | 8a6c88d3c |
15 | 5088ee5ee |
hex | 301a3bf6a |
12912410474 has 4 divisors (see below), whose sum is σ = 19368615714. Its totient is φ = 6456205236.
The previous prime is 12912410471. The next prime is 12912410509. The reversal of 12912410474 is 47401421921.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 12074713225 + 837697249 = 109885^2 + 28943^2 .
It is not an unprimeable number, because it can be changed into a prime (12912410471) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3228102617 + ... + 3228102620.
Almost surely, 212912410474 is an apocalyptic number.
12912410474 is a deficient number, since it is larger than the sum of its proper divisors (6456205240).
12912410474 is an equidigital number, since it uses as much as digits as its factorization.
12912410474 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6456205239.
The product of its (nonzero) digits is 16128, while the sum is 35.
The spelling of 12912410474 in words is "twelve billion, nine hundred twelve million, four hundred ten thousand, four hundred seventy-four".
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