Base | Representation |
---|---|
bin | 11100001001100000… |
… | …01100111100011011 |
3 | 1110000012010202120210 |
4 | 32010300030330123 |
5 | 221422201132311 |
6 | 10535321222203 |
7 | 1043330663004 |
oct | 160460147433 |
9 | 43005122523 |
10 | 15112130331 |
11 | 6455449211 |
12 | 2b19031963 |
13 | 156ab48c6c |
14 | a350921ab |
15 | 5d6ab33a6 |
hex | 384c0cf1b |
15112130331 has 16 divisors (see below), whose sum is σ = 21604838400. Its totient is φ = 9362091648.
The previous prime is 15112130329. The next prime is 15112130393. The reversal of 15112130331 is 13303121151.
It is not a de Polignac number, because 15112130331 - 21 = 15112130329 is a prime.
It is a super-2 number, since 2×151121303312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 15112130298 and 15112130307.
It is not an unprimeable number, because it can be changed into a prime (15112530331) 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, 1871391 + ... + 1879448.
It is an arithmetic number, because the mean of its divisors is an integer number (1350302400).
Almost surely, 215112130331 is an apocalyptic number.
15112130331 is a deficient number, since it is larger than the sum of its proper divisors (6492708069).
15112130331 is a wasteful number, since it uses less digits than its factorization.
15112130331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3750938.
The product of its (nonzero) digits is 270, while the sum is 21.
Adding to 15112130331 its reverse (13303121151), we get a palindrome (28415251482).
The spelling of 15112130331 in words is "fifteen billion, one hundred twelve million, one hundred thirty thousand, three hundred thirty-one".
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