Base | Representation |
---|---|
bin | 10110100011101010… |
… | …01011011111010111 |
3 | 1011020222200122221002 |
4 | 23101311023133113 |
5 | 144300220012211 |
6 | 5321410013515 |
7 | 606050652146 |
oct | 132165133727 |
9 | 34228618832 |
10 | 12110313431 |
11 | 5154a577a7 |
12 | 241b87729b |
13 | 11acc79748 |
14 | 82c53575d |
15 | 4ad2b103b |
hex | 2d1d4b7d7 |
12110313431 has 4 divisors (see below), whose sum is σ = 12128202312. Its totient is φ = 12092424552.
The previous prime is 12110313407. The next prime is 12110313497. The reversal of 12110313431 is 13431301121.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 12110313431 - 26 = 12110313367 is a prime.
It is a super-2 number, since 2×121103134312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12110313731) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8943425 + ... + 8944778.
It is an arithmetic number, because the mean of its divisors is an integer number (3032050578).
Almost surely, 212110313431 is an apocalyptic number.
12110313431 is a deficient number, since it is larger than the sum of its proper divisors (17888881).
12110313431 is an equidigital number, since it uses as much as digits as its factorization.
12110313431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17888880.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 12110313431 its reverse (13431301121), we get a palindrome (25541614552).
The spelling of 12110313431 in words is "twelve billion, one hundred ten million, three hundred thirteen thousand, four hundred thirty-one".
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