Base | Representation |
---|---|
bin | 1010011110101000… |
… | …0010101100011101 |
3 | 21021000210212101012 |
4 | 2213222002230131 |
5 | 21230040104112 |
6 | 1143040225005 |
7 | 126463354124 |
oct | 24752025435 |
9 | 7230725335 |
10 | 2812816157 |
11 | 1213841458 |
12 | 66600b165 |
13 | 35a996878 |
14 | 1c97dcabb |
15 | 116e1c022 |
hex | a7a82b1d |
2812816157 has 2 divisors, whose sum is σ = 2812816158. Its totient is φ = 2812816156.
The previous prime is 2812816151. The next prime is 2812816199. The reversal of 2812816157 is 7516182182.
2812816157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2802537721 + 10278436 = 52939^2 + 3206^2 .
It is a cyclic number.
It is not a de Polignac number, because 2812816157 - 222 = 2808621853 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2812816151) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1406408078 + 1406408079.
It is an arithmetic number, because the mean of its divisors is an integer number (1406408079).
Almost surely, 22812816157 is an apocalyptic number.
It is an amenable number.
2812816157 is a deficient number, since it is larger than the sum of its proper divisors (1).
2812816157 is an equidigital number, since it uses as much as digits as its factorization.
2812816157 is an evil number, because the sum of its binary digits is even.
The product of its digits is 53760, while the sum is 41.
The square root of 2812816157 is about 53035.9892620096. The cubic root of 2812816157 is about 1411.6069329181.
The spelling of 2812816157 in words is "two billion, eight hundred twelve million, eight hundred sixteen thousand, one hundred fifty-seven".
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