Base | Representation |
---|---|
bin | 11001000000111111… |
… | …11001000111111000 |
3 | 1021122222011110100020 |
4 | 30200133321013320 |
5 | 210001103230430 |
6 | 10100354210440 |
7 | 653545151256 |
oct | 144037710770 |
9 | 37588143306 |
10 | 13430133240 |
11 | 5771a61977 |
12 | 2729883a20 |
13 | 1360533b04 |
14 | 9159355d6 |
15 | 5390b8b10 |
hex | 3207f91f8 |
13430133240 has 128 divisors (see below), whose sum is σ = 41296780800. Its totient is φ = 3492195840.
The previous prime is 13430133239. The next prime is 13430133253. The reversal of 13430133240 is 4233103431.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 13430133240.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3656605 + ... + 3660275.
It is an arithmetic number, because the mean of its divisors is an integer number (322631100).
Almost surely, 213430133240 is an apocalyptic number.
13430133240 is a gapful number since it is divisible by the number (10) 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 13430133240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20648390400).
13430133240 is an abundant number, since it is smaller than the sum of its proper divisors (27866647560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13430133240 is a wasteful number, since it uses less digits than its factorization.
13430133240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4437 (or 4433 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 13430133240 its reverse (4233103431), we get a palindrome (17663236671).
The spelling of 13430133240 in words is "thirteen billion, four hundred thirty million, one hundred thirty-three thousand, two hundred forty".
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