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112643453031 = 337547817677
BaseRepresentation
bin110100011101000010…
…0101011000001100111
3101202202022112022012220
41220322010223001213
53321143210444111
6123425300043423
711065260360414
oct1507204530147
9352668468186
10112643453031
114385432453a
12199b8093573
13a8120752b5
1456482d710b
152de420ce06
hex1a3a12b067

112643453031 has 4 divisors (see below), whose sum is σ = 150191270712. Its totient is φ = 75095635352.

The previous prime is 112643453023. The next prime is 112643453033. The reversal of 112643453031 is 130354346211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130354346211 = 343451448737.

It is a cyclic number.

It is not a de Polignac number, because 112643453031 - 23 = 112643453023 is a prime.

It is a super-2 number, since 2×1126434530312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112643452983 and 112643453001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112643453033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18773908836 + ... + 18773908841.

It is an arithmetic number, because the mean of its divisors is an integer number (37547817678).

Almost surely, 2112643453031 is an apocalyptic number.

112643453031 is a deficient number, since it is larger than the sum of its proper divisors (37547817681).

112643453031 is an equidigital number, since it uses as much as digits as its factorization.

112643453031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37547817680.

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 112643453031 its reverse (130354346211), we get a palindrome (242997799242).

The spelling of 112643453031 in words is "one hundred twelve billion, six hundred forty-three million, four hundred fifty-three thousand, thirty-one".

Divisors: 1 3 37547817677 112643453031