Base | Representation |
---|---|
bin | 11000101100110000… |
… | …11111100101010101 |
3 | 1021020010211012112210 |
4 | 30112120133211111 |
5 | 204124131441321 |
6 | 10031452504033 |
7 | 646414502610 |
oct | 142630374525 |
9 | 37203735483 |
10 | 13260421461 |
11 | 5695186a01 |
12 | 26a0a7b019 |
13 | 1334322a41 |
14 | 8db199177 |
15 | 529243b76 |
hex | 31661f955 |
13260421461 has 64 divisors (see below), whose sum is σ = 22003712000. Its totient is φ = 6931915200.
The previous prime is 13260421459. The next prime is 13260421483. The reversal of 13260421461 is 16412406231.
It is not a de Polignac number, because 13260421461 - 21 = 13260421459 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13260421451) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7803990 + ... + 7805688.
It is an arithmetic number, because the mean of its divisors is an integer number (343808000).
Almost surely, 213260421461 is an apocalyptic number.
It is an amenable number.
13260421461 is a deficient number, since it is larger than the sum of its proper divisors (8743290539).
13260421461 is a wasteful number, since it uses less digits than its factorization.
13260421461 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2390.
The product of its (nonzero) digits is 6912, while the sum is 30.
Adding to 13260421461 its reverse (16412406231), we get a palindrome (29672827692).
The spelling of 13260421461 in words is "thirteen billion, two hundred sixty million, four hundred twenty-one thousand, four hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •