Base | Representation |
---|---|
bin | 100101100011000011… |
… | …1010111100100001110 |
3 | 21201010110122120111022 |
4 | 1023012013113210032 |
5 | 2310114101403010 |
6 | 101013053554142 |
7 | 5553111105650 |
oct | 1130607274416 |
9 | 251113576438 |
10 | 80633231630 |
11 | 312183a2406 |
12 | 13763aa5952 |
13 | 77b03975a3 |
14 | 3c8ccd26d0 |
15 | 216dda2d55 |
hex | 12c61d790e |
80633231630 has 32 divisors (see below), whose sum is σ = 165884060160. Its totient is φ = 27644015520.
The previous prime is 80633231629. The next prime is 80633231639. The reversal of 80633231630 is 3613233608.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80633231639) 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, 1911911 + ... + 1953629.
It is an arithmetic number, because the mean of its divisors is an integer number (5183876880).
Almost surely, 280633231630 is an apocalyptic number.
80633231630 is an abundant number, since it is smaller than the sum of its proper divisors (85250828530).
80633231630 is a wasteful number, since it uses less digits than its factorization.
80633231630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69344.
The product of its (nonzero) digits is 46656, while the sum is 35.
The spelling of 80633231630 in words is "eighty billion, six hundred thirty-three million, two hundred thirty-one thousand, six hundred thirty".
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