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70115743 is a prime number
BaseRepresentation
bin1000010110111…
…10000110011111
311212221020201101
410023132012133
5120422200433
610542453531
71510655035
oct413360637
9155836641
1070115743
113663aaa5
121b5942a7
13116ac409
149452555
15625007d
hex42de19f

70115743 has 2 divisors, whose sum is σ = 70115744. Its totient is φ = 70115742.

The previous prime is 70115741. The next prime is 70115761. The reversal of 70115743 is 34751107.

It is a weak prime.

It is an emirp because it is prime and its reverse (34751107) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70115743 - 21 = 70115741 is a prime.

Together with 70115741, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70115741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35057871 + 35057872.

It is an arithmetic number, because the mean of its divisors is an integer number (35057872).

Almost surely, 270115743 is an apocalyptic number.

70115743 is a deficient number, since it is larger than the sum of its proper divisors (1).

70115743 is an equidigital number, since it uses as much as digits as its factorization.

70115743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 70115743 is about 8373.5143756967. The cubic root of 70115743 is about 412.3555524848.

The spelling of 70115743 in words is "seventy million, one hundred fifteen thousand, seven hundred forty-three".