Base | Representation |
---|---|
bin | 10011000000101100… |
… | …101001101011001100 |
3 | 1221200121021122222020 |
4 | 103000230221223030 |
5 | 313301134042232 |
6 | 13213313050140 |
7 | 1321563635355 |
oct | 230054515314 |
9 | 57617248866 |
10 | 20412799692 |
11 | 872554759a |
12 | 3b58256950 |
13 | 1c0407b1cc |
14 | db905cd2c |
15 | 7e710be2c |
hex | 4c0b29acc |
20412799692 has 48 divisors (see below), whose sum is σ = 48557359872. Its totient is φ = 6671920320.
The previous prime is 20412799609. The next prime is 20412799697. The reversal of 20412799692 is 29699721402.
It is not an unprimeable number, because it can be changed into a prime (20412799697) 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, 1178817 + ... + 1196007.
It is an arithmetic number, because the mean of its divisors is an integer number (1011611664).
Almost surely, 220412799692 is an apocalyptic number.
It is an amenable number.
20412799692 is an abundant number, since it is smaller than the sum of its proper divisors (28144560180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20412799692 is a wasteful number, since it uses less digits than its factorization.
20412799692 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19118 (or 19116 counting only the distinct ones).
The product of its (nonzero) digits is 979776, while the sum is 51.
The spelling of 20412799692 in words is "twenty billion, four hundred twelve million, seven hundred ninety-nine thousand, six hundred ninety-two".
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