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112330420021 = 731538772877
BaseRepresentation
bin110100010011101101…
…0100010111100110101
3101201221111111120122201
41220213122202330311
53320023041420041
6123334234424501
711054436546631
oct1504732427465
9351844446581
10112330420021
1143703659176
121992b292131
13a792263271
1456188cddc1
152dc69c7631
hex1a276a2f35

112330420021 has 4 divisors (see below), whose sum is σ = 113869192972. Its totient is φ = 110791647072.

The previous prime is 112330420019. The next prime is 112330420067. The reversal of 112330420021 is 120024033211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 120024033211 = 711690479341.

It can be written as a sum of positive squares in 2 ways, for example, as 28262316996 + 84068103025 = 168114^2 + 289945^2 .

It is a cyclic number.

It is not a de Polignac number, because 112330420021 - 21 = 112330420019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112330420091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 769386366 + ... + 769386511.

It is an arithmetic number, because the mean of its divisors is an integer number (28467298243).

Almost surely, 2112330420021 is an apocalyptic number.

It is an amenable number.

112330420021 is a deficient number, since it is larger than the sum of its proper divisors (1538772951).

112330420021 is an equidigital number, since it uses as much as digits as its factorization.

112330420021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538772950.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 112330420021 its reverse (120024033211), we get a palindrome (232354453232).

The spelling of 112330420021 in words is "one hundred twelve billion, three hundred thirty million, four hundred twenty thousand, twenty-one".

Divisors: 1 73 1538772877 112330420021