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86170940154 = 23313941130447
BaseRepresentation
bin101000001000000110…
…0000011001011111010
322020102101211022111000
41100100030003023322
52402434230041104
6103330354145430
76140252622525
oct1202014031372
9266371738430
1086170940154
11335aa281822
121484a582276
138183751ab0
144256563bbc
152395120639
hex14103032fa

86170940154 has 64 divisors (see below), whose sum is σ = 206441786880. Its totient is φ = 26485755840.

The previous prime is 86170940117. The next prime is 86170940201. The reversal of 86170940154 is 45104907168.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 595359 + ... + 725805.

It is an arithmetic number, because the mean of its divisors is an integer number (3225652920).

Almost surely, 286170940154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86170940154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103220893440).

86170940154 is an abundant number, since it is smaller than the sum of its proper divisors (120270846726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86170940154 is a wasteful number, since it uses less digits than its factorization.

86170940154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131412 (or 131406 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 86170940154 in words is "eighty-six billion, one hundred seventy million, nine hundred forty thousand, one hundred fifty-four".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 117 234 351 702 941 1882 2823 5646 8469 12233 16938 24466 25407 36699 50814 73398 110097 130447 220194 260894 330291 391341 660582 782682 1174023 1695811 2348046 3391622 3522069 5087433 7044138 10174866 15262299 30524598 45786897 91573794 122750627 245501254 368251881 736503762 1104755643 1595758151 2209511286 3191516302 3314266929 4787274453 6628533858 9574548906 14361823359 28723646718 43085470077 86170940154