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112102211986 = 256051105993
BaseRepresentation
bin110100001100111010…
…0000000000110010010
3101201100121002102002021
41220121310000012102
53314041131240421
6123255443242054
711045666036242
oct1503164000622
9351317072067
10112102211986
11435a685a096
121988697932a
13a756bb081b
1455d6487b22
152db194a341
hex1a19d00192

112102211986 has 4 divisors (see below), whose sum is σ = 168153317982. Its totient is φ = 56051105992.

The previous prime is 112102211983. The next prime is 112102212031. The reversal of 112102211986 is 689112201211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 689112201211 = 798444600173.

It can be written as a sum of positive squares in only one way, i.e., 99953984025 + 12148227961 = 316155^2 + 110219^2 .

It is a super-3 number, since 3×1121022119863 (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (112102211983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28025552995 + ... + 28025552998.

Almost surely, 2112102211986 is an apocalyptic number.

112102211986 is a deficient number, since it is larger than the sum of its proper divisors (56051105996).

112102211986 is an equidigital number, since it uses as much as digits as its factorization.

112102211986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56051105995.

The product of its (nonzero) digits is 3456, while the sum is 34.

The spelling of 112102211986 in words is "one hundred twelve billion, one hundred two million, two hundred eleven thousand, nine hundred eighty-six".

Divisors: 1 2 56051105993 112102211986