Base | Representation |
---|---|
bin | 11000011101100010… |
… | …00101110111110100 |
3 | 1020220020101211211021 |
4 | 30032301011313310 |
5 | 203343424331040 |
6 | 10011050150524 |
7 | 643303462135 |
oct | 141661056764 |
9 | 36806354737 |
10 | 13132652020 |
11 | 562a048924 |
12 | 2666122444 |
13 | 1313a08617 |
14 | 8c8219c8c |
15 | 51ce0624a |
hex | 30ec45df4 |
13132652020 has 24 divisors (see below), whose sum is σ = 27585268200. Its totient is φ = 5251784832.
The previous prime is 13132651993. The next prime is 13132652023. The reversal of 13132652020 is 2025623131.
It can be written as a sum of positive squares in 4 ways, for example, as 1311308944 + 11821343076 = 36212^2 + 108726^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13132652023) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6946 + ... + 162214.
It is an arithmetic number, because the mean of its divisors is an integer number (1149386175).
Almost surely, 213132652020 is an apocalyptic number.
13132652020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13132652020 is an abundant number, since it is smaller than the sum of its proper divisors (14452616180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13132652020 is a wasteful number, since it uses less digits than its factorization.
13132652020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159507 (or 159505 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 25.
The spelling of 13132652020 in words is "thirteen billion, one hundred thirty-two million, six hundred fifty-two thousand, twenty".
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