Base | Representation |
---|---|
bin | 11000110000000010… |
… | …10100111000010100 |
3 | 1021022001112101202221 |
4 | 30120001110320110 |
5 | 204203200341430 |
6 | 10034313512124 |
7 | 650200211140 |
oct | 143001247024 |
9 | 37261471687 |
10 | 13287902740 |
11 | 56a9747002 |
12 | 26aa112644 |
13 | 1339c25458 |
14 | 900ab0220 |
15 | 52b87157a |
hex | 318054e14 |
13287902740 has 24 divisors (see below), whose sum is σ = 31890966912. Its totient is φ = 4555852320.
The previous prime is 13287902717. The next prime is 13287902813. The reversal of 13287902740 is 4720978231.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47456656 + ... + 47456935.
It is an arithmetic number, because the mean of its divisors is an integer number (1328790288).
Almost surely, 213287902740 is an apocalyptic number.
13287902740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13287902740 is an abundant number, since it is smaller than the sum of its proper divisors (18603064172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13287902740 is a wasteful number, since it uses less digits than its factorization.
13287902740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94913607 (or 94913605 counting only the distinct ones).
The product of its (nonzero) digits is 169344, while the sum is 43.
The spelling of 13287902740 in words is "thirteen billion, two hundred eighty-seven million, nine hundred two thousand, seven hundred forty".
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