Base | Representation |
---|---|
bin | 10101011011101100… |
… | …001101101010010111 |
3 | 2012101211022022200222 |
4 | 111123230031222113 |
5 | 334112331402211 |
6 | 14323323424555 |
7 | 1443200401532 |
oct | 253354155227 |
9 | 65354268628 |
10 | 23013153431 |
11 | 983a363874 |
12 | 456308515b |
13 | 2229a16168 |
14 | 1184553a19 |
15 | 8ea55c1db |
hex | 55bb0da97 |
23013153431 has 2 divisors, whose sum is σ = 23013153432. Its totient is φ = 23013153430.
The previous prime is 23013153389. The next prime is 23013153439. The reversal of 23013153431 is 13435131032.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 23013153431 - 230 = 21939411607 is a prime.
It is a super-2 number, since 2×230131534312 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 23013153431.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23013153439) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11506576715 + 11506576716.
It is an arithmetic number, because the mean of its divisors is an integer number (11506576716).
Almost surely, 223013153431 is an apocalyptic number.
23013153431 is a deficient number, since it is larger than the sum of its proper divisors (1).
23013153431 is an equidigital number, since it uses as much as digits as its factorization.
23013153431 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3240, while the sum is 26.
Adding to 23013153431 its reverse (13435131032), we get a palindrome (36448284463).
The spelling of 23013153431 in words is "twenty-three billion, thirteen million, one hundred fifty-three thousand, four hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •