Base | Representation |
---|---|
bin | 1001111100011010… |
… | …1000011011100101 |
3 | 20220000210021220122 |
4 | 2133012220123211 |
5 | 20431321101223 |
6 | 1120512411325 |
7 | 123101544563 |
oct | 23706503345 |
9 | 6800707818 |
10 | 2669315813 |
11 | 114a83952a |
12 | 625b46b45 |
13 | 337032218 |
14 | 1b4726a33 |
15 | 1095235c8 |
hex | 9f1a86e5 |
2669315813 has 2 divisors, whose sum is σ = 2669315814. Its totient is φ = 2669315812.
The previous prime is 2669315771. The next prime is 2669315863. The reversal of 2669315813 is 3185139662.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1715864929 + 953450884 = 41423^2 + 30878^2 .
It is a cyclic number.
It is not a de Polignac number, because 2669315813 - 26 = 2669315749 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2669315863) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1334657906 + 1334657907.
It is an arithmetic number, because the mean of its divisors is an integer number (1334657907).
Almost surely, 22669315813 is an apocalyptic number.
It is an amenable number.
2669315813 is a deficient number, since it is larger than the sum of its proper divisors (1).
2669315813 is an equidigital number, since it uses as much as digits as its factorization.
2669315813 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 233280, while the sum is 44.
The square root of 2669315813 is about 51665.4218312403. The cubic root of 2669315813 is about 1387.1816005923.
The spelling of 2669315813 in words is "two billion, six hundred sixty-nine million, three hundred fifteen thousand, eight hundred thirteen".
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