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1315300279 is a prime number
BaseRepresentation
bin100111001100101…
…1110001110110111
310101122222011210011
41032121132032313
510143204102104
6334303241051
744410603456
oct11631361667
93348864704
101315300279
116154a8627
123085a9187
1317c6641b7
14c6984b9d
157a713904
hex4e65e3b7

1315300279 has 2 divisors, whose sum is σ = 1315300280. Its totient is φ = 1315300278.

The previous prime is 1315300277. The next prime is 1315300321. The reversal of 1315300279 is 9720035131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1315300279 - 21 = 1315300277 is a prime.

Together with 1315300277, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1315300279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1315300277) 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, 657650139 + 657650140.

It is an arithmetic number, because the mean of its divisors is an integer number (657650140).

Almost surely, 21315300279 is an apocalyptic number.

1315300279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315300279 is an equidigital number, since it uses as much as digits as its factorization.

1315300279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 1315300279 is about 36267.0687952583. The cubic root of 1315300279 is about 1095.6578906198.

The spelling of 1315300279 in words is "one billion, three hundred fifteen million, three hundred thousand, two hundred seventy-nine".