Base | Representation |
---|---|
bin | 11000010101000100… |
… | …11111010100111101 |
3 | 1020201021220212212220 |
4 | 30022202133110331 |
5 | 203222244342021 |
6 | 10000033515553 |
7 | 641452514340 |
oct | 141242372475 |
9 | 36637825786 |
10 | 13061715261 |
11 | 55a2aa8001 |
12 | 2646412bb9 |
13 | 13020cc5ca |
14 | 8bca32457 |
15 | 516a92cc6 |
hex | 30a89f53d |
13061715261 has 16 divisors (see below), whose sum is σ = 20389020288. Its totient is φ = 7281792000.
The previous prime is 13061715259. The next prime is 13061715307. The reversal of 13061715261 is 16251716031.
It is not a de Polignac number, because 13061715261 - 21 = 13061715259 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13061715361) 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, 7584340 + ... + 7586061.
It is an arithmetic number, because the mean of its divisors is an integer number (1274313768).
Almost surely, 213061715261 is an apocalyptic number.
It is an amenable number.
13061715261 is a deficient number, since it is larger than the sum of its proper divisors (7327305027).
13061715261 is a wasteful number, since it uses less digits than its factorization.
13061715261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15170452.
The product of its (nonzero) digits is 7560, while the sum is 33.
The spelling of 13061715261 in words is "thirteen billion, sixty-one million, seven hundred fifteen thousand, two hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •