Base | Representation |
---|---|
bin | 10010101001001000… |
… | …00111000000100111 |
3 | 221211112002221221110 |
4 | 21110210013000213 |
5 | 130444210433011 |
6 | 4333052520103 |
7 | 503011301256 |
oct | 112444070047 |
9 | 27745087843 |
10 | 10008686631 |
11 | 4276708449 |
12 | 1b33a80033 |
13 | c3673c2a8 |
14 | 6ad38479d |
15 | 3d8a26ba6 |
hex | 254907027 |
10008686631 has 4 divisors (see below), whose sum is σ = 13344915512. Its totient is φ = 6672457752.
The previous prime is 10008686621. The next prime is 10008686657. The reversal of 10008686631 is 13668680001.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13668680001 = 3 ⋅4556226667.
It is not a de Polignac number, because 10008686631 - 27 = 10008686503 is a prime.
It is a super-2 number, since 2×100086866312 (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 10008686631.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10008686621) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1668114436 + ... + 1668114441.
It is an arithmetic number, because the mean of its divisors is an integer number (3336228878).
Almost surely, 210008686631 is an apocalyptic number.
10008686631 is a deficient number, since it is larger than the sum of its proper divisors (3336228881).
10008686631 is an equidigital number, since it uses as much as digits as its factorization.
10008686631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3336228880.
The product of its (nonzero) digits is 41472, while the sum is 39.
The spelling of 10008686631 in words is "ten billion, eight million, six hundred eighty-six thousand, six hundred thirty-one".
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