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2112152839 is a prime number
BaseRepresentation
bin111110111100100…
…1110010100000111
312110012101110222221
41331321032110013
513311202342324
6545330433211
7103225000666
oct17571162407
95405343887
102112152839
11994289765
124ab432807
132787845a4
14160730ddd
15c56680e4
hex7de4e507

2112152839 has 2 divisors, whose sum is σ = 2112152840. Its totient is φ = 2112152838.

The previous prime is 2112152837. The next prime is 2112152857. The reversal of 2112152839 is 9382512112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2112152839 - 21 = 2112152837 is a prime.

It is a super-2 number, since 2×21121528392 = 8922379230591519842, which contains 22 as substring.

Together with 2112152837, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112152837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056076419 + 1056076420.

It is an arithmetic number, because the mean of its divisors is an integer number (1056076420).

Almost surely, 22112152839 is an apocalyptic number.

2112152839 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112152839 is an equidigital number, since it uses as much as digits as its factorization.

2112152839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 34.

The square root of 2112152839 is about 45958.1640081498. The cubic root of 2112152839 is about 1283.0446805156.

The spelling of 2112152839 in words is "two billion, one hundred twelve million, one hundred fifty-two thousand, eight hundred thirty-nine".