Base | Representation |
---|---|
bin | 11100001100010000… |
… | …11010011100111011 |
3 | 1110001210122120202020 |
4 | 32012020122130323 |
5 | 221444111114311 |
6 | 10541505005523 |
7 | 1044031352631 |
oct | 160610323473 |
9 | 43053576666 |
10 | 15135254331 |
11 | 646750265a |
12 | 2b249238a3 |
13 | 15728842c2 |
14 | a38191351 |
15 | 5d8b2ec06 |
hex | 38621a73b |
15135254331 has 8 divisors (see below), whose sum is σ = 20182087680. Its totient is φ = 10089295272.
The previous prime is 15135254317. The next prime is 15135254417. The reversal of 15135254331 is 13345253151.
15135254331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 15135254331 - 27 = 15135254203 is a prime.
It is a super-2 number, since 2×151352543312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 15135254292 and 15135254301.
It is not an unprimeable number, because it can be changed into a prime (15135254231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177051 + ... + 248228.
It is an arithmetic number, because the mean of its divisors is an integer number (2522760960).
Almost surely, 215135254331 is an apocalyptic number.
15135254331 is a deficient number, since it is larger than the sum of its proper divisors (5046833349).
15135254331 is a wasteful number, since it uses less digits than its factorization.
15135254331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 437145.
The product of its digits is 27000, while the sum is 33.
The spelling of 15135254331 in words is "fifteen billion, one hundred thirty-five million, two hundred fifty-four thousand, three hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.099 sec. • engine limits •