Base | Representation |
---|---|
bin | 10111001001111011… |
… | …10110100100000011 |
3 | 1012002100210012221210 |
4 | 23210331312210003 |
5 | 200424411312430 |
6 | 5413315021203 |
7 | 620026523625 |
oct | 134475664403 |
9 | 35070705853 |
10 | 12431354115 |
11 | 52aa1a2384 |
12 | 24ab29a803 |
13 | 123163354b |
14 | 85d024c15 |
15 | 4cb5792b0 |
hex | 2e4f76903 |
12431354115 has 16 divisors (see below), whose sum is σ = 19898006688. Its totient is φ = 6627442176.
The previous prime is 12431354099. The next prime is 12431354147. The reversal of 12431354115 is 51145313421.
It is not a de Polignac number, because 12431354115 - 24 = 12431354099 is a prime.
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, 123702 + ... + 200411.
It is an arithmetic number, because the mean of its divisors is an integer number (1243625418).
Almost surely, 212431354115 is an apocalyptic number.
12431354115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12431354115 is a deficient number, since it is larger than the sum of its proper divisors (7466652573).
12431354115 is a wasteful number, since it uses less digits than its factorization.
12431354115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 326678.
The product of its digits is 7200, while the sum is 30.
Adding to 12431354115 its reverse (51145313421), we get a palindrome (63576667536).
The spelling of 12431354115 in words is "twelve billion, four hundred thirty-one million, three hundred fifty-four thousand, one hundred fifteen".
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