Base | Representation |
---|---|
bin | 11000101011100000… |
… | …00110000101100110 |
3 | 1021012101220011112111 |
4 | 30111300012011212 |
5 | 204113424100040 |
6 | 10030433511234 |
7 | 646225464454 |
oct | 142560060546 |
9 | 37171804474 |
10 | 13249831270 |
11 | 568a203385 |
12 | 269941251a |
13 | 1332085660 |
14 | 8d99dd9d4 |
15 | 528350dea |
hex | 315c06166 |
13249831270 has 32 divisors (see below), whose sum is σ = 25690234752. Its totient is φ = 4891112832.
The previous prime is 13249831267. The next prime is 13249831321. The reversal of 13249831270 is 7213894231.
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, 731139 + ... + 749041.
It is an arithmetic number, because the mean of its divisors is an integer number (802819836).
Almost surely, 213249831270 is an apocalyptic number.
13249831270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13249831270 is a deficient number, since it is larger than the sum of its proper divisors (12440403482).
13249831270 is a wasteful number, since it uses less digits than its factorization.
13249831270 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23616.
The product of its (nonzero) digits is 72576, while the sum is 40.
The spelling of 13249831270 in words is "thirteen billion, two hundred forty-nine million, eight hundred thirty-one thousand, two hundred seventy".
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