Base | Representation |
---|---|
bin | 10011000100101111… |
… | …110100101100000100 |
3 | 1221212100010101200122 |
4 | 103010233310230010 |
5 | 313421032140400 |
6 | 13224141201112 |
7 | 1323350263352 |
oct | 230457645404 |
9 | 57770111618 |
10 | 20480740100 |
11 | 875a931197 |
12 | 3b76b60198 |
13 | 1c15178432 |
14 | dc40a67d2 |
15 | 7ed07c685 |
hex | 4c4bf4b04 |
20480740100 has 36 divisors (see below), whose sum is σ = 44451061200. Its totient is φ = 8190848160.
The previous prime is 20480740087. The next prime is 20480740171. The reversal of 20480740100 is 104708402.
It is a self number, because there is not a number n which added to its sum of digits gives 20480740100.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 687311 + ... + 716489.
It is an arithmetic number, because the mean of its divisors is an integer number (1234751700).
Almost surely, 220480740100 is an apocalyptic number.
20480740100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20480740100 is an abundant number, since it is smaller than the sum of its proper divisors (23970321100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20480740100 is a wasteful number, since it uses less digits than its factorization.
20480740100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36212 (or 36205 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 26.
The spelling of 20480740100 in words is "twenty billion, four hundred eighty million, seven hundred forty thousand, one hundred".
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