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2115034279 is a prime number
BaseRepresentation
bin111111000010000…
…1101110010100111
312110101210212120221
41332010031302213
513312422044104
6545512305211
7103261331461
oct17604156247
95411725527
102115034279
11995977616
124b03a2207
13279252c97
14160c81131
15c5a36c54
hex7e10dca7

2115034279 has 2 divisors, whose sum is σ = 2115034280. Its totient is φ = 2115034278.

The previous prime is 2115034231. The next prime is 2115034283. The reversal of 2115034279 is 9724305112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2115034279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2115034879) 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, 1057517139 + 1057517140.

It is an arithmetic number, because the mean of its divisors is an integer number (1057517140).

Almost surely, 22115034279 is an apocalyptic number.

2115034279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2115034279 is an equidigital number, since it uses as much as digits as its factorization.

2115034279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 2115034279 is about 45989.5018346579. The cubic root of 2115034279 is about 1283.6278669039.

The spelling of 2115034279 in words is "two billion, one hundred fifteen million, thirty-four thousand, two hundred seventy-nine".