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78996350159 = 177363655399
BaseRepresentation
bin100100110010010001…
…1001010010011001111
321112220101120101020122
41021210203022103033
52243241031201114
6100142421535155
75464413616526
oct1114443122317
9245811511218
1078996350159
1130558420101
12133878744bb
1375ac21a57c
143b7575b4bd
1520c531ae8e
hex12648ca4cf

78996350159 has 8 divisors (see below), whose sum is σ = 84788992800. Its totient is φ = 73331018496.

The previous prime is 78996350149. The next prime is 78996350239. The reversal of 78996350159 is 95105369987.

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

It is a cyclic number.

It is not a de Polignac number, because 78996350159 - 212 = 78996346063 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 (78996350119) 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 in 7 ways as a sum of consecutive naturals, for example, 31826459 + ... + 31828940.

It is an arithmetic number, because the mean of its divisors is an integer number (10598624100).

Almost surely, 278996350159 is an apocalyptic number.

78996350159 is a deficient number, since it is larger than the sum of its proper divisors (5792642641).

78996350159 is a wasteful number, since it uses less digits than its factorization.

78996350159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63655489.

The product of its (nonzero) digits is 18370800, while the sum is 62.

The spelling of 78996350159 in words is "seventy-eight billion, nine hundred ninety-six million, three hundred fifty thousand, one hundred fifty-nine".

Divisors: 1 17 73 1241 63655399 1082141783 4646844127 78996350159