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70042931017 is a prime number
BaseRepresentation
bin100000100111011100…
…0100100111101001001
320200210102010120011021
41001032320210331021
52121421442243032
652102143032441
75026505042653
oct1011670447511
9220712116137
1070042931017
1127783454854
12116a929b721
1367b32c9317
1435665cd6d3
151c4e291097
hex104ee24f49

70042931017 has 2 divisors, whose sum is σ = 70042931018. Its totient is φ = 70042931016.

The previous prime is 70042930963. The next prime is 70042931069. The reversal of 70042931017 is 71013924007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67935294736 + 2107636281 = 260644^2 + 45909^2 .

It is a cyclic number.

It is not a de Polignac number, because 70042931017 - 219 = 70042406729 is a prime.

It is not a weakly prime, because it can be changed into another prime (70042931087) 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, 35021465508 + 35021465509.

It is an arithmetic number, because the mean of its divisors is an integer number (35021465509).

Almost surely, 270042931017 is an apocalyptic number.

It is an amenable number.

70042931017 is a deficient number, since it is larger than the sum of its proper divisors (1).

70042931017 is an equidigital number, since it uses as much as digits as its factorization.

70042931017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 34.

The spelling of 70042931017 in words is "seventy billion, forty-two million, nine hundred thirty-one thousand, seventeen".