Base | Representation |
---|---|
bin | 11000001110011000… |
… | …01111111100101100 |
3 | 1020120101020120100220 |
4 | 30013030033330230 |
5 | 203113410202302 |
6 | 5550310051340 |
7 | 640201244313 |
oct | 140714177454 |
9 | 36511216326 |
10 | 13005553452 |
11 | 5574328891 |
12 | 262b649b50 |
13 | 12c3597678 |
14 | 8b53b327a |
15 | 511b9c4bc |
hex | 30730ff2c |
13005553452 has 24 divisors (see below), whose sum is σ = 32131367856. Its totient is φ = 4080173568.
The previous prime is 13005553423. The next prime is 13005553459. The reversal of 13005553452 is 25435550031.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (13005553459) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31876153 + ... + 31876560.
It is an arithmetic number, because the mean of its divisors is an integer number (1338806994).
Almost surely, 213005553452 is an apocalyptic number.
13005553452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13005553452 is an abundant number, since it is smaller than the sum of its proper divisors (19125814404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13005553452 is a wasteful number, since it uses less digits than its factorization.
13005553452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63752737 (or 63752735 counting only the distinct ones).
The product of its (nonzero) digits is 45000, while the sum is 33.
The spelling of 13005553452 in words is "thirteen billion, five million, five hundred fifty-three thousand, four hundred fifty-two".
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