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5215310279 is a prime number
BaseRepresentation
bin1001101101101101…
…10101000111000111
3111110110112012201222
410312312311013013
541140104412104
62221302110555
7243145256144
oct46666650707
914413465658
105215310279
1122369a7893
12101671b45b
1365164681a
1437690b3cb
15207cd71be
hex136db51c7

5215310279 has 2 divisors, whose sum is σ = 5215310280. Its totient is φ = 5215310278.

The previous prime is 5215310267. The next prime is 5215310297. The reversal of 5215310279 is 9720135125.

Together with next prime (5215310297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5215310279 - 212 = 5215306183 is a prime.

It is a super-2 number, since 2×52153102792 = 54398922612486115682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5215310239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2607655139 + 2607655140.

It is an arithmetic number, because the mean of its divisors is an integer number (2607655140).

Almost surely, 25215310279 is an apocalyptic number.

5215310279 is a deficient number, since it is larger than the sum of its proper divisors (1).

5215310279 is an equidigital number, since it uses as much as digits as its factorization.

5215310279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 5215310279 is about 72217.1051690664. The cubic root of 5215310279 is about 1734.1768475506.

The spelling of 5215310279 in words is "five billion, two hundred fifteen million, three hundred ten thousand, two hundred seventy-nine".