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112987156241682 = 23225054072
BaseRepresentation
bin11001101100001011011111…
…010011111101110100010010
3112211001110121012000112101200
4121230023133103331310102
5104302140143444213212
61040145325533012030
732541024026603262
oct3154133723756422
9484043535015350
10112987156241682
1133001647147178
1210809802024016
134b07848c05568
141dc887113d7a2
15d0e0c65b86dc
hex66c2df4fdd12

112987156241682 has 18 divisors (see below), whose sum is σ = 244805602901223. Its totient is φ = 37662370381452.

The previous prime is 112987156241681. The next prime is 112987156241699. The reversal of 112987156241682 is 286142651789211.

112987156241682 is a `hidden beast` number, since 1 + 1 + 2 + 9 + 8 + 7 + 1 + 562 + 4 + 1 + 68 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 56493578120841 + 56493578120841 = 7516221^2 + 7516221^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅BA, here for A=2, B=7516221.

It is not an unprimeable number, because it can be changed into a prime (112987156241681) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 43844623 + ... + 46350029.

Almost surely, 2112987156241682 is an apocalyptic number.

112987156241682 is an abundant number, since it is smaller than the sum of its proper divisors (131818446659541).

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

112987156241682 is an frugal number, since it uses more digits than its factorization.

112987156241682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010822 (or 2505412 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 63.

The spelling of 112987156241682 in words is "one hundred twelve trillion, nine hundred eighty-seven billion, one hundred fifty-six million, two hundred forty-one thousand, six hundred eighty-two".

Divisors: 1 2 3 6 9 18 2505407 5010814 7516221 15032442 22548663 45097326 6277064235649 12554128471298 18831192706947 37662385413894 56493578120841 112987156241682