Base | Representation |
---|---|
bin | 10100100000101101… |
… | …110111011101001100 |
3 | 2002211212112110022111 |
4 | 110200231313131030 |
5 | 330101033343040 |
6 | 14041220553404 |
7 | 1406524424224 |
oct | 244055673514 |
9 | 62755473274 |
10 | 22023731020 |
11 | 93819050a5 |
12 | 4327852864 |
13 | 20cca40705 |
14 | 10ccd9b084 |
15 | 88d769dea |
hex | 520b7774c |
22023731020 has 48 divisors (see below), whose sum is σ = 46419645888. Its totient is φ = 8777212160.
The previous prime is 22023730991. The next prime is 22023731039. The reversal of 22023731020 is 2013732022.
It is a junction number, because it is equal to n+sod(n) for n = 22023730982 and 22023731000.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8176794 + ... + 8179486.
It is an arithmetic number, because the mean of its divisors is an integer number (967075956).
Almost surely, 222023731020 is an apocalyptic number.
22023731020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22023731020 is an abundant number, since it is smaller than the sum of its proper divisors (24395914868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22023731020 is a wasteful number, since it uses less digits than its factorization.
22023731020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4050 (or 4048 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 22.
The spelling of 22023731020 in words is "twenty-two billion, twenty-three million, seven hundred thirty-one thousand, twenty".
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