Base | Representation |
---|---|
bin | 10100001000010101… |
… | …11110111111011101 |
3 | 1000220012001010200221 |
4 | 22010022332333131 |
5 | 134113144002212 |
6 | 4544224121341 |
7 | 531550303633 |
oct | 120412767735 |
9 | 30805033627 |
10 | 10807406557 |
11 | 4646554562 |
12 | 2117466251 |
13 | 103306462c |
14 | 747499353 |
15 | 433be9807 |
hex | 2842befdd |
10807406557 has 2 divisors, whose sum is σ = 10807406558. Its totient is φ = 10807406556.
The previous prime is 10807406513. The next prime is 10807406563. The reversal of 10807406557 is 75560470801.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 10481459641 + 325946916 = 102379^2 + 18054^2 .
It is a cyclic number.
It is not a de Polignac number, because 10807406557 - 27 = 10807406429 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10807406657) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5403703278 + 5403703279.
It is an arithmetic number, because the mean of its divisors is an integer number (5403703279).
Almost surely, 210807406557 is an apocalyptic number.
It is an amenable number.
10807406557 is a deficient number, since it is larger than the sum of its proper divisors (1).
10807406557 is an equidigital number, since it uses as much as digits as its factorization.
10807406557 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 235200, while the sum is 43.
The spelling of 10807406557 in words is "ten billion, eight hundred seven million, four hundred six thousand, five hundred fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •