Base | Representation |
---|---|
bin | 11001000001000001… |
… | …00101000111010111 |
3 | 1021122222111121111222 |
4 | 30200200211013113 |
5 | 210001130012211 |
6 | 10100402120555 |
7 | 653546531513 |
oct | 144040450727 |
9 | 37588447458 |
10 | 13430313431 |
11 | 5772075297 |
12 | 272995015b |
13 | 1360597b32 |
14 | 915981143 |
15 | 5391021db |
hex | 3208251d7 |
13430313431 has 2 divisors, whose sum is σ = 13430313432. Its totient is φ = 13430313430.
The previous prime is 13430313401. The next prime is 13430313439. The reversal of 13430313431 is 13431303431.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 13430313431 - 230 = 12356571607 is a prime.
It is a super-2 number, since 2×134303134312 (a number of 21 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 13430313431.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13430313439) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6715156715 + 6715156716.
It is an arithmetic number, because the mean of its divisors is an integer number (6715156716).
Almost surely, 213430313431 is an apocalyptic number.
13430313431 is a deficient number, since it is larger than the sum of its proper divisors (1).
13430313431 is an equidigital number, since it uses as much as digits as its factorization.
13430313431 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3888, while the sum is 26.
Adding to 13430313431 its reverse (13431303431), we get a palindrome (26861616862).
The spelling of 13430313431 in words is "thirteen billion, four hundred thirty million, three hundred thirteen thousand, four hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •