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70195613 is a prime number
BaseRepresentation
bin1000010111100…
…01100110011101
311220002022021112
410023301212131
5120432224423
610544311405
71511436635
oct413614635
9156068245
1070195613
1136695004
121b612565
1311709887
1494736c5
156268a78
hex42f199d

70195613 has 2 divisors, whose sum is σ = 70195614. Its totient is φ = 70195612.

The previous prime is 70195607. The next prime is 70195621. The reversal of 70195613 is 31659107.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61889689 + 8305924 = 7867^2 + 2882^2 .

It is a cyclic number.

It is not a de Polignac number, because 70195613 - 210 = 70194589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70195613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70195913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35097806 + 35097807.

It is an arithmetic number, because the mean of its divisors is an integer number (35097807).

Almost surely, 270195613 is an apocalyptic number.

It is an amenable number.

70195613 is a deficient number, since it is larger than the sum of its proper divisors (1).

70195613 is an equidigital number, since it uses as much as digits as its factorization.

70195613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 70195613 is about 8378.2822225084. The cubic root of 70195613 is about 412.5120667422.

The spelling of 70195613 in words is "seventy million, one hundred ninety-five thousand, six hundred thirteen".