Base | Representation |
---|---|
bin | 10110101000011010… |
… | …00100101011101111 |
3 | 1011100202121121222010 |
4 | 23110031010223233 |
5 | 144340413201224 |
6 | 5325351252303 |
7 | 610043261505 |
oct | 132415045357 |
9 | 34322547863 |
10 | 12150131439 |
11 | 5175483646 |
12 | 243107a093 |
13 | 11b82ab4b4 |
14 | 83393c675 |
15 | 4b1a28e29 |
hex | 2d4344aef |
12150131439 has 16 divisors (see below), whose sum is σ = 16676023392. Its totient is φ = 7865315328.
The previous prime is 12150131417. The next prime is 12150131453. The reversal of 12150131439 is 93413105121.
It is not a de Polignac number, because 12150131439 - 25 = 12150131407 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12150131339) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378474 + ... + 409319.
It is an arithmetic number, because the mean of its divisors is an integer number (1042251462).
Almost surely, 212150131439 is an apocalyptic number.
12150131439 is a deficient number, since it is larger than the sum of its proper divisors (4525891953).
12150131439 is an equidigital number, since it uses as much as digits as its factorization.
12150131439 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 787946.
The product of its (nonzero) digits is 3240, while the sum is 30.
The spelling of 12150131439 in words is "twelve billion, one hundred fifty million, one hundred thirty-one thousand, four hundred thirty-nine".
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