Search a number
-
+
2160085256 = 23771543281
BaseRepresentation
bin1000000011000000…
…0100100100001000
312120112120200220122
42000300010210020
513410440212011
6554202042412
7104346264440
oct20060044410
95515520818
102160085256
11a0934802a
125034a9408
13285697874
14166c4b120
15c99853db
hex80c04908

2160085256 has 32 divisors (see below), whose sum is σ = 4693956480. Its totient is φ = 912710400.

The previous prime is 2160085253. The next prime is 2160085259. The reversal of 2160085256 is 6525800612.

It is an interprime number because it is at equal distance from previous prime (2160085253) and next prime (2160085259).

It is not an unprimeable number, because it can be changed into a prime (2160085253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267665 + ... + 275616.

It is an arithmetic number, because the mean of its divisors is an integer number (146686140).

Almost surely, 22160085256 is an apocalyptic number.

It is an amenable number.

2160085256 is an abundant number, since it is smaller than the sum of its proper divisors (2533871224).

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

2160085256 is a wasteful number, since it uses less digits than its factorization.

2160085256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543365 (or 543361 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 2160085256 is about 46476.7173539612. The cubic root of 2160085256 is about 1292.6778210624.

Adding to 2160085256 its reverse (6525800612), we get a palindrome (8685885868).

The spelling of 2160085256 in words is "two billion, one hundred sixty million, eighty-five thousand, two hundred fifty-six".

Divisors: 1 2 4 7 8 14 28 56 71 142 284 497 568 994 1988 3976 543281 1086562 2173124 3802967 4346248 7605934 15211868 30423736 38572951 77145902 154291804 270010657 308583608 540021314 1080042628 2160085256