Base | Representation |
---|---|
bin | 100111001000110… |
… | …0001111000101111 |
3 | 10101112001101120020 |
4 | 1032101201320233 |
5 | 10142140434340 |
6 | 334150453223 |
7 | 44354112120 |
oct | 11621417057 |
9 | 3345041506 |
10 | 1313218095 |
11 | 614306212 |
12 | 307964213 |
13 | 17c0b5537 |
14 | c65a2047 |
15 | 7a4519d0 |
hex | 4e461e2f |
1313218095 has 32 divisors (see below), whose sum is σ = 2402849280. Its totient is φ = 599944320.
The previous prime is 1313218073. The next prime is 1313218099. The reversal of 1313218095 is 5908123131.
1313218095 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1313218095 - 26 = 1313218031 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1313218099) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220821 + ... + 226689.
It is an arithmetic number, because the mean of its divisors is an integer number (75089040).
Almost surely, 21313218095 is an apocalyptic number.
1313218095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1313218095 is a deficient number, since it is larger than the sum of its proper divisors (1089631185).
1313218095 is a wasteful number, since it uses less digits than its factorization.
1313218095 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8015.
The product of its (nonzero) digits is 6480, while the sum is 33.
The square root of 1313218095 is about 36238.3511628220. The cubic root of 1313218095 is about 1095.0794254433.
The spelling of 1313218095 in words is "one billion, three hundred thirteen million, two hundred eighteen thousand, ninety-five".
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