Base | Representation |
---|---|
bin | 10010101110100000… |
… | …111101010010010001 |
3 | 1220220100021020210010 |
4 | 102232200331102101 |
5 | 312140040310101 |
6 | 13123134425133 |
7 | 1311201002343 |
oct | 225640752221 |
9 | 56810236703 |
10 | 20107744401 |
11 | 858932aa88 |
12 | 3a920621a9 |
13 | 1b85b00414 |
14 | d8a731293 |
15 | 7ca4502d6 |
hex | 4ae83d491 |
20107744401 has 16 divisors (see below), whose sum is σ = 26906921280. Its totient is φ = 13356940800.
The previous prime is 20107744373. The next prime is 20107744417. The reversal of 20107744401 is 10444770102.
It is not a de Polignac number, because 20107744401 - 29 = 20107743889 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20107744001) 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, 1137690 + ... + 1155228.
It is an arithmetic number, because the mean of its divisors is an integer number (1681682580).
Almost surely, 220107744401 is an apocalyptic number.
It is an amenable number.
20107744401 is a deficient number, since it is larger than the sum of its proper divisors (6799176879).
20107744401 is a wasteful number, since it uses less digits than its factorization.
20107744401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18896.
The product of its (nonzero) digits is 6272, while the sum is 30.
The spelling of 20107744401 in words is "twenty billion, one hundred seven million, seven hundred forty-four thousand, four hundred one".
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