Search a number
-
+
168732430158 = 233113115114583
BaseRepresentation
bin1001110100100100111…
…1001000111101001110
3121010112020211120012010
42131021033020331032
510231031000231113
6205303053322050
715122226664155
oct2351117107516
9533466746163
10168732430158
1165617070196
1228850196326
1312bb0465266
14824959859c
1545c84141c3
hex27493c8f4e

168732430158 has 64 divisors (see below), whose sum is σ = 351318933504. Its totient is φ = 53966796000.

The previous prime is 168732430157. The next prime is 168732430159. The reversal of 168732430158 is 851034237861.

It is an interprime number because it is at equal distance from previous prime (168732430157) and next prime (168732430159).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168732430157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36814735 + ... + 36819317.

It is an arithmetic number, because the mean of its divisors is an integer number (5489358336).

Almost surely, 2168732430158 is an apocalyptic number.

168732430158 is an abundant number, since it is smaller than the sum of its proper divisors (182586503346).

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

168732430158 is a wasteful number, since it uses less digits than its factorization.

168732430158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6261.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 168732430158 in words is "one hundred sixty-eight billion, seven hundred thirty-two million, four hundred thirty thousand, one hundred fifty-eight".

Divisors: 1 2 3 6 31 62 93 131 186 262 393 786 1511 3022 4061 4533 4583 8122 9066 9166 12183 13749 24366 27498 46841 93682 140523 142073 197941 281046 284146 395882 426219 593823 600373 852438 1187646 1200746 1801119 3602238 6136171 6924913 12272342 13849826 18408513 18611563 20774739 36817026 37223126 41549478 55834689 111669378 214672303 429344606 644016909 907163603 1288033818 1814327206 2721490809 5442981618 28122071693 56244143386 84366215079 168732430158