Base | Representation |
---|---|
bin | 10010110101010111… |
… | …01010100101000111 |
3 | 222002200020211001002 |
4 | 21122223222211013 |
5 | 131202000040011 |
6 | 4351200523515 |
7 | 505365615023 |
oct | 113253524507 |
9 | 28080224032 |
10 | 10111330631 |
11 | 43196453a6 |
12 | 1b6232059b |
13 | c51a9a39c |
14 | 6bcc63383 |
15 | 3e2a4ec3b |
hex | 25aaea947 |
10111330631 has 4 divisors (see below), whose sum is σ = 10111531872. Its totient is φ = 10111129392.
The previous prime is 10111330627. The next prime is 10111330637. The reversal of 10111330631 is 13603311101.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13603311101 = 71 ⋅191595931.
It is a cyclic number.
It is not a de Polignac number, because 10111330631 - 22 = 10111330627 is a prime.
It is a super-2 number, since 2×101113306312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10111330637) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44891 + ... + 149123.
It is an arithmetic number, because the mean of its divisors is an integer number (2527882968).
Almost surely, 210111330631 is an apocalyptic number.
10111330631 is a deficient number, since it is larger than the sum of its proper divisors (201241).
10111330631 is an equidigital number, since it uses as much as digits as its factorization.
10111330631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 201240.
The product of its (nonzero) digits is 162, while the sum is 20.
Adding to 10111330631 its reverse (13603311101), we get a palindrome (23714641732).
The spelling of 10111330631 in words is "ten billion, one hundred eleven million, three hundred thirty thousand, six hundred thirty-one".
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