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86621000975 = 5216649208111
BaseRepresentation
bin101000010101100000…
…0111001010100001111
322021120202200202212022
41100223000321110033
52404344434012400
6103443152400355
76154356234305
oct1205300712417
9267522622768
1086621000975
113381032a113
12149552460bb
138225a70382
14429a23a275
1523be8c1b85
hex142b03950f

86621000975 has 12 divisors (see below), whose sum is σ = 107417008800. Its totient is φ = 69292305600.

The previous prime is 86621000951. The next prime is 86621000989. The reversal of 86621000975 is 57900012668.

It is not a de Polignac number, because 86621000975 - 212 = 86620996879 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 312170 + ... + 520280.

It is an arithmetic number, because the mean of its divisors is an integer number (8951417400).

Almost surely, 286621000975 is an apocalyptic number.

86621000975 is a deficient number, since it is larger than the sum of its proper divisors (20796007825).

86621000975 is a wasteful number, since it uses less digits than its factorization.

86621000975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224770 (or 224765 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 86621000975 in words is "eighty-six billion, six hundred twenty-one million, nine hundred seventy-five", and thus it is an aban number.

Divisors: 1 5 25 16649 83245 208111 416225 1040555 5202775 3464840039 17324200195 86621000975