Base | Representation |
---|---|
bin | 10010101010000001… |
… | …100101100111000100 |
3 | 1220201002111222021220 |
4 | 102222001211213010 |
5 | 312011244141400 |
6 | 13111444040340 |
7 | 1306264456551 |
oct | 225201454704 |
9 | 56632458256 |
10 | 20032412100 |
11 | 854a857788 |
12 | 3a709930b0 |
13 | 1b733157ac |
14 | d80721a28 |
15 | 7c3a1e7a0 |
hex | 4aa0659c4 |
20032412100 has 36 divisors (see below), whose sum is σ = 57960446544. Its totient is φ = 5341976480.
The previous prime is 20032412047. The next prime is 20032412137. The reversal of 20032412100 is 121423002.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 20032412100.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33387054 + ... + 33387653.
It is an arithmetic number, because the mean of its divisors is an integer number (1610012404).
Almost surely, 220032412100 is an apocalyptic number.
20032412100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20032412100 is an abundant number, since it is smaller than the sum of its proper divisors (37928034444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20032412100 is a wasteful number, since it uses less digits than its factorization.
20032412100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66774724 (or 66774717 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 20032412100 its reverse (121423002), we get a palindrome (20153835102).
The spelling of 20032412100 in words is "twenty billion, thirty-two million, four hundred twelve thousand, one hundred".
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