Base | Representation |
---|---|
bin | 10010111011010010… |
… | …100110111000001000 |
3 | 1221110021120221201222 |
4 | 102323102212320020 |
5 | 313104423231113 |
6 | 13200312501212 |
7 | 1316412612221 |
oct | 227322467010 |
9 | 57407527658 |
10 | 20322086408 |
11 | 8689319338 |
12 | 3b319aa808 |
13 | 1bbb339700 |
14 | daada8248 |
15 | 7de18de08 |
hex | 4bb4a6e08 |
20322086408 has 36 divisors (see below), whose sum is σ = 41271094215. Its totient is φ = 9377005248.
The previous prime is 20322086381. The next prime is 20322086419. The reversal of 20322086408 is 80468022302.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 5 ways, for example, as 384081604 + 19938004804 = 19598^2 + 141202^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=100802.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5239766 + ... + 5243642.
Almost surely, 220322086408 is an apocalyptic number.
It is an amenable number.
20322086408 is an abundant number, since it is smaller than the sum of its proper divisors (20949007807).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20322086408 is an frugal number, since it uses more digits than its factorization.
20322086408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7786 (or 3892 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 35.
The spelling of 20322086408 in words is "twenty billion, three hundred twenty-two million, eighty-six thousand, four hundred eight".
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