Base | Representation |
---|---|
bin | 11000101100000011… |
… | …00010000111111000 |
3 | 1021012201111102011020 |
4 | 30112001202013320 |
5 | 204121111340202 |
6 | 10031115502440 |
7 | 646312364016 |
oct | 142601420770 |
9 | 37181442136 |
10 | 13254402552 |
11 | 56918458a6 |
12 | 269aa57a20 |
13 | 1332cc6261 |
14 | 8da46d8b6 |
15 | 5289555bc |
hex | 3160621f8 |
13254402552 has 64 divisors (see below), whose sum is σ = 34098084000. Its totient is φ = 4290324480.
The previous prime is 13254402509. The next prime is 13254402647. The reversal of 13254402552 is 25520445231.
It is a happy number.
It is a super-2 number, since 2×132544025522 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448324 + ... + 476972.
Almost surely, 213254402552 is an apocalyptic number.
13254402552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13254402552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17049042000).
13254402552 is an abundant number, since it is smaller than the sum of its proper divisors (20843681448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13254402552 is a wasteful number, since it uses less digits than its factorization.
13254402552 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29216 (or 29212 counting only the distinct ones).
The product of its (nonzero) digits is 48000, while the sum is 33.
Adding to 13254402552 its reverse (25520445231), we get a palindrome (38774847783).
The spelling of 13254402552 in words is "thirteen billion, two hundred fifty-four million, four hundred two thousand, five hundred fifty-two".
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