Base | Representation |
---|---|
bin | 10111101001001000… |
… | …01000010100011010 |
3 | 1012202121012120111100 |
4 | 23310210020110122 |
5 | 201443404442204 |
6 | 5455304012230 |
7 | 626355054426 |
oct | 136444102432 |
9 | 35677176440 |
10 | 12693046554 |
11 | 5423991821 |
12 | 2562a61076 |
13 | 127390ac46 |
14 | 885aa5b86 |
15 | 4e451ca39 |
hex | 2f490851a |
12693046554 has 24 divisors (see below), whose sum is σ = 27595474452. Its totient is φ = 4216573440.
The previous prime is 12693046529. The next prime is 12693046573. The reversal of 12693046554 is 45564039621.
12693046554 is a `hidden beast` number, since 1 + 2 + 6 + 93 + 0 + 4 + 6 + 554 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 11941025625 + 752020929 = 109275^2 + 27423^2 .
It is a super-2 number, since 2×126930465542 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1198087 + ... + 1208634.
Almost surely, 212693046554 is an apocalyptic number.
12693046554 is an abundant number, since it is smaller than the sum of its proper divisors (14902427898).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12693046554 is a wasteful number, since it uses less digits than its factorization.
12693046554 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2407022 (or 2407019 counting only the distinct ones).
The product of its (nonzero) digits is 777600, while the sum is 45.
The spelling of 12693046554 in words is "twelve billion, six hundred ninety-three million, forty-six thousand, five hundred fifty-four".
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