Base | Representation |
---|---|
bin | 10010101000110111… |
… | …101010001011000100 |
3 | 1220122202001100222022 |
4 | 102220313222023010 |
5 | 311441314012012 |
6 | 13105512422312 |
7 | 1305640652312 |
oct | 225067521304 |
9 | 56582040868 |
10 | 20013032132 |
11 | 853a920285 |
12 | 3a663a7998 |
13 | 1b6c2bb662 |
14 | d7bd190b2 |
15 | 7c1e92472 |
hex | 4a8dea2c4 |
20013032132 has 18 divisors (see below), whose sum is σ = 35523068574. Its totient is φ = 9865569280.
The previous prime is 20013032119. The next prime is 20013032147. The reversal of 20013032132 is 23123031002.
It can be written as a sum of positive squares in only one way, i.e., 14809429636 + 5203602496 = 121694^2 + 72136^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 20013032132.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 476093 + ... + 516420.
Almost surely, 220013032132 is an apocalyptic number.
It is an amenable number.
20013032132 is a deficient number, since it is larger than the sum of its proper divisors (15510036442).
20013032132 is an equidigital number, since it uses as much as digits as its factorization.
20013032132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 992659 (or 992586 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 20013032132 its reverse (23123031002), we get a palindrome (43136063134).
The spelling of 20013032132 in words is "twenty billion, thirteen million, thirty-two thousand, one hundred thirty-two".
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