Base | Representation |
---|---|
bin | 10011000100010110… |
… | …111010101000111011 |
3 | 1221211212211200021111 |
4 | 103010112322220323 |
5 | 313412344222000 |
6 | 13223345221151 |
7 | 1323240630616 |
oct | 230426725073 |
9 | 57755750244 |
10 | 20474210875 |
11 | 8757181738 |
12 | 3b749317b7 |
13 | 1c13a005a1 |
14 | dc328717d |
15 | 7ec6dccba |
hex | 4c45baa3b |
20474210875 has 8 divisors (see below), whose sum is σ = 25551815328. Its totient is φ = 16379368600.
The previous prime is 20474210819. The next prime is 20474210903. The reversal of 20474210875 is 57801247402.
It is not a de Polignac number, because 20474210875 - 29 = 20474210363 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81896719 + ... + 81896968.
It is an arithmetic number, because the mean of its divisors is an integer number (3193976916).
Almost surely, 220474210875 is an apocalyptic number.
20474210875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
20474210875 is a deficient number, since it is larger than the sum of its proper divisors (5077604453).
20474210875 is an equidigital number, since it uses as much as digits as its factorization.
20474210875 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 163793702 (or 163793692 counting only the distinct ones).
The product of its (nonzero) digits is 125440, while the sum is 40.
The spelling of 20474210875 in words is "twenty billion, four hundred seventy-four million, two hundred ten thousand, eight hundred seventy-five".
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