Base | Representation |
---|---|
bin | 1001001001111011100100… |
… | …11001111111110110010100 |
3 | 2122021122022202000011022021 |
4 | 10210331302121333312110 |
5 | 10114322204332242400 |
6 | 110452413340542524 |
7 | 4145343261053515 |
oct | 444756231776624 |
9 | 78248282004267 |
10 | 20132431134100 |
11 | 64621305841aa |
12 | 2311972551a44 |
13 | b30631a5544c |
14 | 4d85b456ca0c |
15 | 24da5637071a |
hex | 124f7267fd94 |
20132431134100 has 36 divisors (see below), whose sum is σ = 43709791261500. Its totient is φ = 8048840527360.
The previous prime is 20132431134089. The next prime is 20132431134143. The reversal of 20132431134100 is 143113423102.
It can be written as a sum of positive squares in 6 ways, for example, as 1229796717444 + 18902634416656 = 1108962^2 + 4347716^2 .
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a congruent number.
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, 51453205 + ... + 51843004.
It is an arithmetic number, because the mean of its divisors is an integer number (1214160868375).
Almost surely, 220132431134100 is an apocalyptic number.
20132431134100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20132431134100 is an abundant number, since it is smaller than the sum of its proper divisors (23577360127400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20132431134100 is a wasteful number, since it uses less digits than its factorization.
20132431134100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103298172 (or 103298165 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 25.
Adding to 20132431134100 its reverse (143113423102), we get a palindrome (20275544557202).
The spelling of 20132431134100 in words is "twenty trillion, one hundred thirty-two billion, four hundred thirty-one million, one hundred thirty-four thousand, one hundred".
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