Base | Representation |
---|---|
bin | 1001000101010111110… |
… | …11101111100001110111 |
3 | 1002211122100000010021112 |
4 | 10202223323233201313 |
5 | 20103211241213143 |
6 | 355215330105235 |
7 | 31356452004602 |
oct | 4425373574167 |
9 | 1084570003245 |
10 | 312122210423 |
11 | 11040893a421 |
12 | 505a911b21b |
13 | 235823b249a |
14 | 1116d093339 |
15 | 81bba1ee18 |
hex | 48abeef877 |
312122210423 has 2 divisors, whose sum is σ = 312122210424. Its totient is φ = 312122210422.
The previous prime is 312122210381. The next prime is 312122210461. The reversal of 312122210423 is 324012221213.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 312122210423 - 26 = 312122210359 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (312122230423) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156061105211 + 156061105212.
It is an arithmetic number, because the mean of its divisors is an integer number (156061105212).
Almost surely, 2312122210423 is an apocalyptic number.
312122210423 is a deficient number, since it is larger than the sum of its proper divisors (1).
312122210423 is an equidigital number, since it uses as much as digits as its factorization.
312122210423 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 312122210423 its reverse (324012221213), we get a palindrome (636134431636).
The spelling of 312122210423 in words is "three hundred twelve billion, one hundred twenty-two million, two hundred ten thousand, four hundred twenty-three".
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