Base | Representation |
---|---|
bin | 110100001010011111… |
… | …1000101000111001111 |
3 | 101201010221201002201121 |
4 | 1220110333011013033 |
5 | 3313404413330111 |
6 | 123243431421411 |
7 | 11043663513244 |
oct | 1502477050717 |
9 | 351127632647 |
10 | 112021230031 |
11 | 43565078157 |
12 | 19863824867 |
13 | a7431984c9 |
14 | 55c98075cb |
15 | 2da97a0871 |
hex | 1a14fc51cf |
112021230031 has 4 divisors (see below), whose sum is σ = 112026081112. Its totient is φ = 112016378952.
The previous prime is 112021229993. The next prime is 112021230067. The reversal of 112021230031 is 130032120211.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-112021230031 is a prime.
It is a super-2 number, since 2×1120212300312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 112021229987 and 112021230014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (112021230071) 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, 2390736 + ... + 2437141.
It is an arithmetic number, because the mean of its divisors is an integer number (28006520278).
Almost surely, 2112021230031 is an apocalyptic number.
112021230031 is a deficient number, since it is larger than the sum of its proper divisors (4851081).
112021230031 is an equidigital number, since it uses as much as digits as its factorization.
112021230031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4851080.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 112021230031 its reverse (130032120211), we get a palindrome (242053350242).
The spelling of 112021230031 in words is "one hundred twelve billion, twenty-one million, two hundred thirty thousand, thirty-one".
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