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70108663 = 1726915331
BaseRepresentation
bin1000010110111…
…00010111110111
311212220220000011
410023130113313
5120421434123
610542401051
71510625302
oct413342767
9155826004
1070108663
1136635749
121b590187
13116a9121
14944db39
15624ce0d
hex42dc5f7

70108663 has 8 divisors (see below), whose sum is σ = 74513520. Its totient is φ = 65735040.

The previous prime is 70108637. The next prime is 70108667. The reversal of 70108663 is 36680107.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70108663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70108667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3093 + ... + 12238.

It is an arithmetic number, because the mean of its divisors is an integer number (9314190).

Almost surely, 270108663 is an apocalyptic number.

70108663 is a deficient number, since it is larger than the sum of its proper divisors (4404857).

70108663 is a wasteful number, since it uses less digits than its factorization.

70108663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15617.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 70108663 is about 8373.0916034640. The cubic root of 70108663 is about 412.3416726938.

The spelling of 70108663 in words is "seventy million, one hundred eight thousand, six hundred sixty-three".

Divisors: 1 17 269 4573 15331 260627 4124039 70108663