Base | Representation |
---|---|
bin | 10011000100001000… |
… | …101000110110101111 |
3 | 1221211121210112001001 |
4 | 103010020220312233 |
5 | 313410414434030 |
6 | 13223133101131 |
7 | 1323164051524 |
oct | 230410506657 |
9 | 57747715031 |
10 | 20470468015 |
11 | 8755055668 |
12 | 3b736277a7 |
13 | 1c12cbca8a |
14 | dc299114b |
15 | 7ec1edcca |
hex | 4c4228daf |
20470468015 has 8 divisors (see below), whose sum is σ = 24980910480. Its totient is φ = 16098808512.
The previous prime is 20470468013. The next prime is 20470468063. The reversal of 20470468015 is 51086407402.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20470468015 - 21 = 20470468013 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20470468013) 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, 34695414 + ... + 34696003.
It is an arithmetic number, because the mean of its divisors is an integer number (3122613810).
Almost surely, 220470468015 is an apocalyptic number.
20470468015 is a deficient number, since it is larger than the sum of its proper divisors (4510442465).
20470468015 is an equidigital number, since it uses as much as digits as its factorization.
20470468015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69391481.
The product of its (nonzero) digits is 53760, while the sum is 37.
The spelling of 20470468015 in words is "twenty billion, four hundred seventy million, four hundred sixty-eight thousand, fifteen".
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