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112103113021 = 218715125651
BaseRepresentation
bin110100001100111011…
…1011100000100111101
3101201100122210012001221
41220121313130010331
53314041344104041
6123255514433341
711046006511204
oct1503167340475
9351318705057
10112103113021
11435a7315049
1219887132851
13a757137993
1455d664023b
152db1a772d1
hex1a19ddc13d

112103113021 has 4 divisors (see below), whose sum is σ = 112108260544. Its totient is φ = 112097965500.

The previous prime is 112103113007. The next prime is 112103113033. The reversal of 112103113021 is 120311301211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112103113021 - 227 = 111968895293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112103112986 and 112103113004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112103113091) 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, 2540955 + ... + 2584696.

It is an arithmetic number, because the mean of its divisors is an integer number (28027065136).

Almost surely, 2112103113021 is an apocalyptic number.

It is an amenable number.

112103113021 is a deficient number, since it is larger than the sum of its proper divisors (5147523).

112103113021 is an equidigital number, since it uses as much as digits as its factorization.

112103113021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5147522.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 112103113021 its reverse (120311301211), we get a palindrome (232414414232).

The spelling of 112103113021 in words is "one hundred twelve billion, one hundred three million, one hundred thirteen thousand, twenty-one".

Divisors: 1 21871 5125651 112103113021