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5720311979 is a prime number
BaseRepresentation
bin1010101001111010…
…10000100010101011
3112202122202221211122
411110331100202223
543203344440404
62343342045455
7261516564254
oct52475204253
915678687748
105720311979
112475a70068
12113787988b
137021603b5
143c3a05b2b
152372dc3be
hex154f508ab

5720311979 has 2 divisors, whose sum is σ = 5720311980. Its totient is φ = 5720311978.

The previous prime is 5720311939. The next prime is 5720312009. The reversal of 5720311979 is 9791130275.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5720311979 is a prime.

It is not a weakly prime, because it can be changed into another prime (5720311939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2860155989 + 2860155990.

It is an arithmetic number, because the mean of its divisors is an integer number (2860155990).

Almost surely, 25720311979 is an apocalyptic number.

5720311979 is a deficient number, since it is larger than the sum of its proper divisors (1).

5720311979 is an equidigital number, since it uses as much as digits as its factorization.

5720311979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 119070, while the sum is 44.

The square root of 5720311979 is about 75632.7440927539. The cubic root of 5720311979 is about 1788.4353209832.

The spelling of 5720311979 in words is "five billion, seven hundred twenty million, three hundred eleven thousand, nine hundred seventy-nine".