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68525318983 = 1126212376793
BaseRepresentation
bin111111110100011011…
…010110001101000111
320112212122110212211011
4333310123112031013
52110314440201413
651251411223051
74644056413042
oct776433261507
9215778425734
1068525318983
1127074835430
1211344ba7a87
136600a7b834
143460c23c59
151bb0e1833d
hexff46d6347

68525318983 has 8 divisors (see below), whose sum is σ = 74783446416. Its totient is φ = 62271950400.

The previous prime is 68525318947. The next prime is 68525319001. The reversal of 68525318983 is 38981352586.

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

It is not a de Polignac number, because 68525318983 - 217 = 68525187911 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 (68525310983) 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, 1159566 + ... + 1217227.

It is an arithmetic number, because the mean of its divisors is an integer number (9347930802).

Almost surely, 268525318983 is an apocalyptic number.

68525318983 is a deficient number, since it is larger than the sum of its proper divisors (6258127433).

68525318983 is a wasteful number, since it uses less digits than its factorization.

68525318983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379425.

The product of its digits is 12441600, while the sum is 58.

The spelling of 68525318983 in words is "sixty-eight billion, five hundred twenty-five million, three hundred eighteen thousand, nine hundred eighty-three".

Divisors: 1 11 2621 28831 2376793 26144723 6229574453 68525318983