Base | Representation |
---|---|
bin | 10010101111010000… |
… | …100101110001100010 |
3 | 1220221012202122012010 |
4 | 102233100211301202 |
5 | 312201234343020 |
6 | 13124302213350 |
7 | 1311412066425 |
oct | 225720456142 |
9 | 56835678163 |
10 | 20120231010 |
11 | 85953893a0 |
12 | 3a96284256 |
13 | 1b88582a49 |
14 | d8c2619bc |
15 | 7cb5b9de0 |
hex | 4af425c62 |
20120231010 has 64 divisors (see below), whose sum is σ = 54377754624. Its totient is φ = 4720286400.
The previous prime is 20120231009. The next prime is 20120231023. The reversal of 20120231010 is 1013202102.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 973164 + ... + 993623.
It is an arithmetic number, because the mean of its divisors is an integer number (849652416).
Almost surely, 220120231010 is an apocalyptic number.
20120231010 is an abundant number, since it is smaller than the sum of its proper divisors (34257523614).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20120231010 is a wasteful number, since it uses less digits than its factorization.
20120231010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1966839.
The product of its (nonzero) digits is 24, while the sum is 12.
Adding to 20120231010 its reverse (1013202102), we get a palindrome (21133433112).
The spelling of 20120231010 in words is "twenty billion, one hundred twenty million, two hundred thirty-one thousand, ten".
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