Base | Representation |
---|---|
bin | 10010110001100001… |
… | …10000101011001001 |
3 | 222000102121221020001 |
4 | 21120300300223021 |
5 | 131120223040011 |
6 | 4344050203001 |
7 | 504525015556 |
oct | 113060605311 |
9 | 28012557201 |
10 | 10079111881 |
11 | 4302439a33 |
12 | 1b53583461 |
13 | c481c9537 |
14 | 6b8877a2d |
15 | 3decd87c1 |
hex | 258c30ac9 |
10079111881 has 16 divisors (see below), whose sum is σ = 10231421200. Its totient is φ = 9928396800.
The previous prime is 10079111869. The next prime is 10079111897. The reversal of 10079111881 is 18811197001.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 22231225 + 10056880656 = 4715^2 + 100284^2 .
It is a cyclic number.
It is not a de Polignac number, because 10079111881 - 217 = 10078980809 is a prime.
It is a super-2 number, since 2×100791118812 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 10079111881.
It is not an unprimeable number, because it can be changed into a prime (10079111851) 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, 9988705 + ... + 9989713.
It is an arithmetic number, because the mean of its divisors is an integer number (639463825).
Almost surely, 210079111881 is an apocalyptic number.
It is an amenable number.
10079111881 is a deficient number, since it is larger than the sum of its proper divisors (152309319).
10079111881 is a wasteful number, since it uses less digits than its factorization.
10079111881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1660.
The product of its (nonzero) digits is 4032, while the sum is 37.
The spelling of 10079111881 in words is "ten billion, seventy-nine million, one hundred eleven thousand, eight hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •