Base | Representation |
---|---|
bin | 10111001001111010… |
… | …10111001100110111 |
3 | 1012002100112200202000 |
4 | 23210331113030313 |
5 | 200424343210110 |
6 | 5413312150343 |
7 | 620025450252 |
oct | 134475271467 |
9 | 35070480660 |
10 | 12431225655 |
11 | 52aa114912 |
12 | 24ab2383b3 |
13 | 12315b9c34 |
14 | 85cdd0099 |
15 | 4cb5511c0 |
hex | 2e4f57337 |
12431225655 has 16 divisors (see below), whose sum is σ = 22099956960. Its totient is φ = 6629986944.
The previous prime is 12431225621. The next prime is 12431225669. The reversal of 12431225655 is 55652213421.
It is not a de Polignac number, because 12431225655 - 26 = 12431225591 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46041442 + ... + 46041711.
It is an arithmetic number, because the mean of its divisors is an integer number (1381247310).
Almost surely, 212431225655 is an apocalyptic number.
12431225655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12431225655 is a deficient number, since it is larger than the sum of its proper divisors (9668731305).
12431225655 is an equidigital number, since it uses as much as digits as its factorization.
12431225655 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 92083167 (or 92083161 counting only the distinct ones).
The product of its digits is 72000, while the sum is 36.
The spelling of 12431225655 in words is "twelve billion, four hundred thirty-one million, two hundred twenty-five thousand, six hundred fifty-five".
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