Base | Representation |
---|---|
bin | 11000101010111011… |
… | …11001111110000000 |
3 | 1021012001220220202101 |
4 | 30111131321332000 |
5 | 204111214004130 |
6 | 10030143400144 |
7 | 646140115066 |
oct | 142535717600 |
9 | 37161826671 |
10 | 13245063040 |
11 | 56875469a0 |
12 | 26978b3054 |
13 | 13310a6211 |
14 | 8d911c036 |
15 | 527c0d1ca |
hex | 315779f80 |
13245063040 has 64 divisors (see below), whose sum is σ = 34542540720. Its totient is φ = 4816384000.
The previous prime is 13245063031. The next prime is 13245063047. The reversal of 13245063040 is 4036054231.
It is a tau number, because it is divible by the number of its divisors (64).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13245063047) 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, 933661 + ... + 947740.
Almost surely, 213245063040 is an apocalyptic number.
13245063040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13245063040 is an abundant number, since it is smaller than the sum of its proper divisors (21297477680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13245063040 is a wasteful number, since it uses less digits than its factorization.
13245063040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1881431 (or 1881419 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 28.
The spelling of 13245063040 in words is "thirteen billion, two hundred forty-five million, sixty-three thousand, forty".
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