Base | Representation |
---|---|
bin | 11000010011111100… |
… | …01010100001111000 |
3 | 1020200122000002122102 |
4 | 30021332022201320 |
5 | 203212330133023 |
6 | 5555053442532 |
7 | 641305544330 |
oct | 141176124170 |
9 | 36618002572 |
10 | 13052192888 |
11 | 5598693779 |
12 | 26431a0448 |
13 | 1300147277 |
14 | 8bb6740c0 |
15 | 515d11628 |
hex | 309f8a878 |
13052192888 has 64 divisors (see below), whose sum is σ = 28996773120. Its totient is φ = 5391532800.
The previous prime is 13052192887. The next prime is 13052192921. The reversal of 13052192888 is 88829125031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13052192887) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156323 + ... + 224813.
It is an arithmetic number, because the mean of its divisors is an integer number (453074580).
Almost surely, 213052192888 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13052192888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14498386560).
13052192888 is an abundant number, since it is smaller than the sum of its proper divisors (15944580232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13052192888 is a wasteful number, since it uses less digits than its factorization.
13052192888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68628 (or 68624 counting only the distinct ones).
The product of its (nonzero) digits is 276480, while the sum is 47.
The spelling of 13052192888 in words is "thirteen billion, fifty-two million, one hundred ninety-two thousand, eight hundred eighty-eight".
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