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11678664168 = 2332792053211
BaseRepresentation
bin10101110000001101…
…00100010111101000
31010010220110121110100
422320012210113220
5142404214223133
65210510145400
7562260002403
oct127006442750
933126417410
1011678664168
114a53335276
12231b1b2260
131141706592
147cb092d3a
15485449e13
hex2b81a45e8

11678664168 has 48 divisors (see below), whose sum is σ = 32030107200. Its totient is φ = 3843609120.

The previous prime is 11678664149. The next prime is 11678664181. The reversal of 11678664168 is 86146687611.

11678664168 is a `hidden beast` number, since 1 + 167 + 8 + 66 + 416 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1020918 + ... + 1032293.

It is an arithmetic number, because the mean of its divisors is an integer number (667293900).

Almost surely, 211678664168 is an apocalyptic number.

11678664168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11678664168 is an abundant number, since it is smaller than the sum of its proper divisors (20351443032).

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

11678664168 is a wasteful number, since it uses less digits than its factorization.

11678664168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053302 (or 2053295 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The spelling of 11678664168 in words is "eleven billion, six hundred seventy-eight million, six hundred sixty-four thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 79 158 237 316 474 632 711 948 1422 1896 2844 5688 2053211 4106422 6159633 8212844 12319266 16425688 18478899 24638532 36957798 49277064 73915596 147831192 162203669 324407338 486611007 648814676 973222014 1297629352 1459833021 1946444028 2919666042 3892888056 5839332084 11678664168