Base | Representation |
---|---|
bin | 10011100000000111… |
… | …110000110101100100 |
3 | 2000001100022020200020 |
4 | 103200013300311210 |
5 | 320341120004422 |
6 | 13341504515140 |
7 | 1340625032316 |
oct | 234007606544 |
9 | 60040266606 |
10 | 20940000612 |
11 | 89760a2433 |
12 | 408491bab0 |
13 | 1c8936820b |
14 | 10290957b6 |
15 | 82854995c |
hex | 4e01f0d64 |
20940000612 has 24 divisors (see below), whose sum is σ = 49448678496. Its totient is φ = 6895903488.
The previous prime is 20940000611. The next prime is 20940000617. The reversal of 20940000612 is 21600004902.
It is not an unprimeable number, because it can be changed into a prime (20940000611) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10511053 + ... + 10513044.
It is an arithmetic number, because the mean of its divisors is an integer number (2060361604).
Almost surely, 220940000612 is an apocalyptic number.
It is an amenable number.
20940000612 is an abundant number, since it is smaller than the sum of its proper divisors (28508677884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20940000612 is a wasteful number, since it uses less digits than its factorization.
20940000612 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21024187 (or 21024185 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 24.
The spelling of 20940000612 in words is "twenty billion, nine hundred forty million, six hundred twelve", and thus it is an aban number.
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