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128317461705086 = 285375215393731
BaseRepresentation
bin11101001011010000111100…
…101110010011000101111110
3121211100000210112100222202212
4131023100330232103011332
5113304323130144030321
61132524121135020422
736012426215160203
oct3513207456230576
9554300715328685
10128317461705086
11379821479a3175
121248494a36a712
13567a3916aa4b4
142398853997caa
15ec7c71c5355b
hex74b43cb9317e

128317461705086 has 8 divisors (see below), whose sum is σ = 192701838741384. Its totient is φ = 64083515457960.

The previous prime is 128317461705047. The next prime is 128317461705107. The reversal of 128317461705086 is 680507164713821.

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

It is a super-2 number, since 2×1283174617050862 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37607695160 + ... + 37607698571.

It is an arithmetic number, because the mean of its divisors is an integer number (24087729842673).

Almost surely, 2128317461705086 is an apocalyptic number.

128317461705086 is a deficient number, since it is larger than the sum of its proper divisors (64384377036298).

128317461705086 is an equidigital number, since it uses as much as digits as its factorization.

128317461705086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75215394586.

The product of its (nonzero) digits is 13547520, while the sum is 59.

The spelling of 128317461705086 in words is "one hundred twenty-eight trillion, three hundred seventeen billion, four hundred sixty-one million, seven hundred five thousand, eighty-six".

Divisors: 1 2 853 1706 75215393731 150430787462 64158730852543 128317461705086