Base | Representation |
---|---|
bin | 11001001011111000… |
… | …01001001100110000 |
3 | 1021220022221120100221 |
4 | 30211330021030300 |
5 | 210142441101300 |
6 | 10113415022424 |
7 | 656034134503 |
oct | 144574111460 |
9 | 37808846327 |
10 | 13521425200 |
11 | 5809545978 |
12 | 275436aa14 |
13 | 1376418b1a |
14 | 923adb13a |
15 | 5420ed31a |
hex | 325f09330 |
13521425200 has 60 divisors (see below), whose sum is σ = 32497329760. Its totient is φ = 5406554880.
The previous prime is 13521425179. The next prime is 13521425209. The reversal of 13521425200 is 252412531.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is not an unprimeable number, because it can be changed into a prime (13521425209) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1546441 + ... + 1555159.
Almost surely, 213521425200 is an apocalyptic number.
13521425200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13521425200 is an abundant number, since it is smaller than the sum of its proper divisors (18975904560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13521425200 is a wasteful number, since it uses less digits than its factorization.
13521425200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12614 (or 12603 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 25.
Adding to 13521425200 its reverse (252412531), we get a palindrome (13773837731).
The spelling of 13521425200 in words is "thirteen billion, five hundred twenty-one million, four hundred twenty-five thousand, two hundred".
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