Base | Representation |
---|---|
bin | 11001001101000010… |
… | …01001100111110100 |
3 | 1021221000012102201110 |
4 | 30212201021213310 |
5 | 210202432020020 |
6 | 10114402555020 |
7 | 656212450461 |
oct | 144641114764 |
9 | 37830172643 |
10 | 13531126260 |
11 | 5813a71483 |
12 | 2757668a70 |
13 | 13784345b2 |
14 | 925104668 |
15 | 542db78e0 |
hex | 3268499f4 |
13531126260 has 48 divisors (see below), whose sum is σ = 39881217600. Its totient is φ = 3418389504.
The previous prime is 13531126243. The next prime is 13531126289. The reversal of 13531126260 is 6262113531.
It is a Harshad number since it is a multiple of its sum of digits (30).
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, 5933565 + ... + 5935844.
It is an arithmetic number, because the mean of its divisors is an integer number (830858700).
Almost surely, 213531126260 is an apocalyptic number.
13531126260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13531126260 is an abundant number, since it is smaller than the sum of its proper divisors (26350091340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13531126260 is a wasteful number, since it uses less digits than its factorization.
13531126260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11869440 (or 11869438 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 30.
Adding to 13531126260 its reverse (6262113531), we get a palindrome (19793239791).
The spelling of 13531126260 in words is "thirteen billion, five hundred thirty-one million, one hundred twenty-six thousand, two hundred sixty".
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