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131166112 = 2571153233
BaseRepresentation
bin1111101000101…
…10111110100000
3100010210221002011
413310112332200
5232034303422
621003202304
73151615330
oct764267640
9303727064
10131166112
1168049050
1237b16394
13212364ac
14135c50c0
15b7ae077
hex7d16fa0

131166112 has 48 divisors (see below), whose sum is σ = 321959232. Its totient is φ = 51102720.

The previous prime is 131166109. The next prime is 131166127. The reversal of 131166112 is 211661131.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24153 + ... + 29080.

It is an arithmetic number, because the mean of its divisors is an integer number (6707484).

Almost surely, 2131166112 is an apocalyptic number.

It is an amenable number.

131166112 is an abundant number, since it is smaller than the sum of its proper divisors (190793120).

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

131166112 is a wasteful number, since it uses less digits than its factorization.

131166112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53261 (or 53253 counting only the distinct ones).

The product of its digits is 216, while the sum is 22.

The square root of 131166112 is about 11452.7774797208. Note that the first 3 decimals coincide. The cubic root of 131166112 is about 508.0898842750.

It can be divided in two parts, 1 and 31166112, that added together give a palindrome (31166113).

The spelling of 131166112 in words is "one hundred thirty-one million, one hundred sixty-six thousand, one hundred twelve".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 44 56 77 88 112 154 176 224 308 352 616 1232 2464 53233 106466 212932 372631 425864 585563 745262 851728 1171126 1490524 1703456 2342252 2981048 4098941 4684504 5962096 8197882 9369008 11924192 16395764 18738016 32791528 65583056 131166112