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93689616391 = 789150384617
BaseRepresentation
bin101011101000001010…
…1100001100000000111
322221211101112122022021
41113100111201200013
53013334020211031
6111012421344011
76524500412440
oct1272025414007
9287741478267
1093689616391
1136808389538
12161a8568007
138ab134b847
14476ad382c7
152685241511
hex15d0561807

93689616391 has 8 divisors (see below), whose sum is σ = 108276924960. Its totient is φ = 79403077248.

The previous prime is 93689616323. The next prime is 93689616403. The reversal of 93689616391 is 19361698639.

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 93689616391 - 217 = 93689485319 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 (93689616311) 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, 75191686 + ... + 75192931.

It is an arithmetic number, because the mean of its divisors is an integer number (13534615620).

Almost surely, 293689616391 is an apocalyptic number.

93689616391 is a deficient number, since it is larger than the sum of its proper divisors (14587308569).

93689616391 is a wasteful number, since it uses less digits than its factorization.

93689616391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150384713.

The product of its digits is 11337408, while the sum is 61.

The spelling of 93689616391 in words is "ninety-three billion, six hundred eighty-nine million, six hundred sixteen thousand, three hundred ninety-one".

Divisors: 1 7 89 623 150384617 1052692319 13384230913 93689616391