Base | Representation |
---|---|
bin | 10010111100011011… |
… | …100100001111100100 |
3 | 1221111121120122022010 |
4 | 102330123210033210 |
5 | 313124322242012 |
6 | 13202234434220 |
7 | 1320034310313 |
oct | 227433441744 |
9 | 57447518263 |
10 | 20341212132 |
11 | 86990a181a |
12 | 3b38292970 |
13 | 1bc22a4bc7 |
14 | dad74627a |
15 | 7e0bbac3c |
hex | 4bc6e43e4 |
20341212132 has 48 divisors (see below), whose sum is σ = 49122783360. Its totient is φ = 6543489792.
The previous prime is 20341212083. The next prime is 20341212187. The reversal of 20341212132 is 23121214302.
It is a junction number, because it is equal to n+sod(n) for n = 20341212099 and 20341212108.
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, 786633 + ... + 812079.
It is an arithmetic number, because the mean of its divisors is an integer number (1023391320).
Almost surely, 220341212132 is an apocalyptic number.
It is an amenable number.
20341212132 is an abundant number, since it is smaller than the sum of its proper divisors (28781571228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20341212132 is a wasteful number, since it uses less digits than its factorization.
20341212132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27780 (or 27778 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 20341212132 its reverse (23121214302), we get a palindrome (43462426434).
The spelling of 20341212132 in words is "twenty billion, three hundred forty-one million, two hundred twelve thousand, one hundred thirty-two".
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