Base | Representation |
---|---|
bin | 100111001001001… |
… | …0111100011101010 |
3 | 10101112110120010021 |
4 | 1032102113203222 |
5 | 10142220003210 |
6 | 334155311054 |
7 | 44356016050 |
oct | 11622274352 |
9 | 3345416107 |
10 | 1313437930 |
11 | 6144463a2 |
12 | 307a4b48a |
13 | 17c16160c |
14 | c661c1d0 |
15 | 7a496bda |
hex | 4e4978ea |
1313437930 has 16 divisors (see below), whose sum is σ = 2701929600. Its totient is φ = 450321552.
The previous prime is 1313437919. The next prime is 1313437933. The reversal of 1313437930 is 397343131.
It is not an unprimeable number, because it can be changed into a prime (1313437933) 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, 9381630 + ... + 9381769.
It is an arithmetic number, because the mean of its divisors is an integer number (168870600).
Almost surely, 21313437930 is an apocalyptic number.
1313437930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1313437930 is an abundant number, since it is smaller than the sum of its proper divisors (1388491670).
1313437930 is a wasteful number, since it uses less digits than its factorization.
1313437930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18763413.
The product of its (nonzero) digits is 20412, while the sum is 34.
The square root of 1313437930 is about 36241.3842174937. The cubic root of 1313437930 is about 1095.1405281026.
The spelling of 1313437930 in words is "one billion, three hundred thirteen million, four hundred thirty-seven thousand, nine hundred thirty".
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