Base | Representation |
---|---|
bin | 10010101010111001… |
… | …101111000110101110 |
3 | 1220202010012202220100 |
4 | 102222321233012232 |
5 | 312024031143204 |
6 | 13113131331530 |
7 | 1306533542136 |
oct | 225271570656 |
9 | 56663182810 |
10 | 20047131054 |
11 | 85580a0305 |
12 | 3a758b0ba6 |
13 | 1b7639a232 |
14 | d82673ac6 |
15 | 7c4e7aa39 |
hex | 4aae6f1ae |
20047131054 has 12 divisors (see below), whose sum is σ = 43435450656. Its totient is φ = 6682377012.
The previous prime is 20047131047. The next prime is 20047131109. The reversal of 20047131054 is 45013174002.
20047131054 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556864734 + ... + 556864769.
It is an arithmetic number, because the mean of its divisors is an integer number (3619620888).
Almost surely, 220047131054 is an apocalyptic number.
20047131054 is an abundant number, since it is smaller than the sum of its proper divisors (23388319602).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20047131054 is a wasteful number, since it uses less digits than its factorization.
20047131054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1113729511 (or 1113729508 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
The spelling of 20047131054 in words is "twenty billion, forty-seven million, one hundred thirty-one thousand, fifty-four".
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