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70116587 is a prime number
BaseRepresentation
bin1000010110111…
…10010011101011
311212221021212122
410023132103223
5120422212322
610542501455
71510660352
oct413362353
9155837778
1070116587
11366406a2
121b59488b
13116ac908
149452999
156250442
hex42de4eb

70116587 has 2 divisors, whose sum is σ = 70116588. Its totient is φ = 70116586.

The previous prime is 70116559. The next prime is 70116611. The reversal of 70116587 is 78561107.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70116587 - 28 = 70116331 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73116587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35058293 + 35058294.

It is an arithmetic number, because the mean of its divisors is an integer number (35058294).

Almost surely, 270116587 is an apocalyptic number.

70116587 is a deficient number, since it is larger than the sum of its proper divisors (1).

70116587 is an equidigital number, since it uses as much as digits as its factorization.

70116587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 35.

The square root of 70116587 is about 8373.5647725446. The cubic root of 70116587 is about 412.3572070190.

The spelling of 70116587 in words is "seventy million, one hundred sixteen thousand, five hundred eighty-seven".