Search a number
-
+
168885005250 = 23531317321539
BaseRepresentation
bin1001110101001001010…
…1001010101111000010
3121010220212221011212110
42131102111022233002
510231334030132000
6205330143440150
715126061600413
oct2352225125702
9533825834773
10168885005250
1165695201105
12288932b6056
1312c05c56290
14826195380a
1545d6a01850
hex275254abc2

168885005250 has 64 divisors (see below), whose sum is σ = 453962920320. Its totient is φ = 41571691200.

The previous prime is 168885005213. The next prime is 168885005323. The reversal of 168885005250 is 52500588861.

It is a super-3 number, since 3×1688850052503 (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 168885005250.

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, 8651020 + ... + 8670519.

It is an arithmetic number, because the mean of its divisors is an integer number (7093170630).

Almost surely, 2168885005250 is an apocalyptic number.

168885005250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168885005250 is an abundant number, since it is smaller than the sum of its proper divisors (285077915070).

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

168885005250 is a wasteful number, since it uses less digits than its factorization.

168885005250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17321572 (or 17321562 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 48.

The spelling of 168885005250 in words is "one hundred sixty-eight billion, eight hundred eighty-five million, five thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 13 15 25 26 30 39 50 65 75 78 125 130 150 195 250 325 375 390 650 750 975 1625 1950 3250 4875 9750 17321539 34643078 51964617 86607695 103929234 173215390 225180007 259823085 433038475 450360014 519646170 675540021 866076950 1125900035 1299115425 1351080042 2165192375 2251800070 2598230850 3377700105 4330384750 5629500175 6495577125 6755400210 11259000350 12991154250 16888500525 28147500875 33777001050 56295001750 84442502625 168885005250