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315980514379 is a prime number
BaseRepresentation
bin1001001100100011110…
…10000000010001001011
31010012121020002021022001
410212101322000101023
520134112002430004
6401054235011431
731554202025305
oct4462172002113
91105536067261
10315980514379
11112008843282
12512a5299b77
1323a4885188a
1411417680975
1583456061a4
hex4991e8044b

315980514379 has 2 divisors, whose sum is σ = 315980514380. Its totient is φ = 315980514378.

The previous prime is 315980514347. The next prime is 315980514397. The reversal of 315980514379 is 973415089513.

Together with next prime (315980514397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315980514379 - 25 = 315980514347 is a prime.

It is not a weakly prime, because it can be changed into another prime (315980514329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157990257189 + 157990257190.

It is an arithmetic number, because the mean of its divisors is an integer number (157990257190).

Almost surely, 2315980514379 is an apocalyptic number.

315980514379 is a deficient number, since it is larger than the sum of its proper divisors (1).

315980514379 is an equidigital number, since it uses as much as digits as its factorization.

315980514379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4082400, while the sum is 55.

The spelling of 315980514379 in words is "three hundred fifteen billion, nine hundred eighty million, five hundred fourteen thousand, three hundred seventy-nine".