Base | Representation |
---|---|
bin | 100111001000110… |
… | …1000001100101100 |
3 | 10101112002201000202 |
4 | 1032101220030230 |
5 | 10142142301243 |
6 | 334151213032 |
7 | 44354250362 |
oct | 11621501454 |
9 | 3345081022 |
10 | 1313243948 |
11 | 614323685 |
12 | 307977178 |
13 | 17c0c4233 |
14 | c65ab632 |
15 | 7a4594b8 |
hex | 4e46832c |
1313243948 has 48 divisors (see below), whose sum is σ = 2554675200. Its totient is φ = 587869440.
The previous prime is 1313243941. The next prime is 1313243959. The reversal of 1313243948 is 8493423131.
It is not an unprimeable number, because it can be changed into a prime (1313243941) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119093 + ... + 129651.
It is an arithmetic number, because the mean of its divisors is an integer number (53222400).
Almost surely, 21313243948 is an apocalyptic number.
It is an amenable number.
1313243948 is a deficient number, since it is larger than the sum of its proper divisors (1241431252).
1313243948 is a wasteful number, since it uses less digits than its factorization.
1313243948 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10670 (or 10668 counting only the distinct ones).
The product of its digits is 62208, while the sum is 38.
The square root of 1313243948 is about 36238.7078687969. The cubic root of 1313243948 is about 1095.0866115821.
The spelling of 1313243948 in words is "one billion, three hundred thirteen million, two hundred forty-three thousand, nine hundred forty-eight".
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