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2315205127 is a prime number
BaseRepresentation
bin1000100111111111…
…0011101000000111
312222100110121101001
42021333303220013
514220143031002
61021422514131
7111241630114
oct21177635007
95870417331
102315205127
11a88966974
12547435947
132ab869c81
1417d6a990b
15d83c6a87
hex89ff3a07

2315205127 has 2 divisors, whose sum is σ = 2315205128. Its totient is φ = 2315205126.

The previous prime is 2315205091. The next prime is 2315205143. The reversal of 2315205127 is 7215025132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2315205127 - 215 = 2315172359 is a prime.

It is a super-2 number, since 2×23152051272 = 10720349560174172258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2315205095 and 2315205104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2315205427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1157602563 + 1157602564.

It is an arithmetic number, because the mean of its divisors is an integer number (1157602564).

Almost surely, 22315205127 is an apocalyptic number.

2315205127 is a deficient number, since it is larger than the sum of its proper divisors (1).

2315205127 is an equidigital number, since it uses as much as digits as its factorization.

2315205127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 2315205127 is about 48116.5785047108. The cubic root of 2315205127 is about 1322.9085556319.

The spelling of 2315205127 in words is "two billion, three hundred fifteen million, two hundred five thousand, one hundred twenty-seven".