Base | Representation |
---|---|
bin | 11000011011001100… |
… | …01110001011011000 |
3 | 1020211212110200221111 |
4 | 30031212032023120 |
5 | 203323413301430 |
6 | 10005105350104 |
7 | 642644606200 |
oct | 141546161330 |
9 | 36755420844 |
10 | 13113025240 |
11 | 5619a62a47 |
12 | 265b638334 |
13 | 130c926043 |
14 | 8c578b400 |
15 | 51b32ac2a |
hex | 30d98e2d8 |
13113025240 has 48 divisors (see below), whose sum is σ = 34321341600. Its totient is φ = 4495893696.
The previous prime is 13113025217. The next prime is 13113025241. The reversal of 13113025240 is 4252031131.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13113025241) 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, 3343200 + ... + 3347119.
It is an arithmetic number, because the mean of its divisors is an integer number (715027950).
Almost surely, 213113025240 is an apocalyptic number.
13113025240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13113025240 is an abundant number, since it is smaller than the sum of its proper divisors (21208316360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13113025240 is a wasteful number, since it uses less digits than its factorization.
13113025240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6690344 (or 6690333 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 22.
Adding to 13113025240 its reverse (4252031131), we get a palindrome (17365056371).
The spelling of 13113025240 in words is "thirteen billion, one hundred thirteen million, twenty-five thousand, two hundred forty".
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