Base | Representation |
---|---|
bin | 1100000010001010001000… |
… | …1010110011100001001100 |
3 | 1201211220002110202012112120 |
4 | 3000202202022303201030 |
5 | 3213240014310410012 |
6 | 44050201043532540 |
7 | 2533631652315012 |
oct | 300424212634114 |
9 | 51756073665476 |
10 | 13231220013132 |
11 | 424136883a940 |
12 | 159837098a150 |
13 | 74c911050234 |
14 | 33a5745b08b2 |
15 | 17e2938c558c |
hex | c08a22b384c |
13231220013132 has 96 divisors (see below), whose sum is σ = 35917166396160. Its totient is φ = 3746461624320.
The previous prime is 13231220013107. The next prime is 13231220013169. The reversal of 13231220013132 is 23131002213231.
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, 20897673 + ... + 21521504.
It is an arithmetic number, because the mean of its divisors is an integer number (374137149960).
Almost surely, 213231220013132 is an apocalyptic number.
13231220013132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13231220013132 is an abundant number, since it is smaller than the sum of its proper divisors (22685946383028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13231220013132 is a wasteful number, since it uses less digits than its factorization.
13231220013132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42419351 (or 42419349 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 24.
Adding to 13231220013132 its reverse (23131002213231), we get a palindrome (36362222226363).
The spelling of 13231220013132 in words is "thirteen trillion, two hundred thirty-one billion, two hundred twenty million, thirteen thousand, one hundred thirty-two".
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