Base | Representation |
---|---|
bin | 10010101000110111… |
… | …110100111110100010 |
3 | 1220122202010121200100 |
4 | 102220313310332202 |
5 | 311441321421021 |
6 | 13105513403230 |
7 | 1305641225322 |
oct | 225067647642 |
9 | 56582117610 |
10 | 20013076386 |
11 | 853a950556 |
12 | 3a66409516 |
13 | 1b6c305844 |
14 | d7bd2b282 |
15 | 7c1ea0626 |
hex | 4a8df4fa2 |
20013076386 has 12 divisors (see below), whose sum is σ = 43361665542. Its totient is φ = 6671025456.
The previous prime is 20013076373. The next prime is 20013076387. The reversal of 20013076386 is 68367031002.
It is a happy number.
20013076386 is a `hidden beast` number, since 2 + 0 + 0 + 13 + 0 + 7 + 638 + 6 = 666.
It can be written as a sum of positive squares in only one way, i.e., 10285002225 + 9728074161 = 101415^2 + 98631^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 20013076386.
It is not an unprimeable number, because it can be changed into a prime (20013076387) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555918771 + ... + 555918806.
Almost surely, 220013076386 is an apocalyptic number.
20013076386 is an abundant number, since it is smaller than the sum of its proper divisors (23348589156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20013076386 is a wasteful number, since it uses less digits than its factorization.
20013076386 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1111837585 (or 1111837582 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 36.
The spelling of 20013076386 in words is "twenty billion, thirteen million, seventy-six thousand, three hundred eighty-six".
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