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112421013 = 337473671
BaseRepresentation
bin1101011001101…
…10100010010101
321211112120122020
412230312202111
5212234433023
615053323353
72533364025
oct654664225
9254476566
10112421013
1158505631
1231796559
131a3a2313
1410d05a85
159d09de3
hex6b36895

112421013 has 4 divisors (see below), whose sum is σ = 149894688. Its totient is φ = 74947340.

The previous prime is 112420993. The next prime is 112421021. The reversal of 112421013 is 310124211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 310124211 = 3103374737.

It is a cyclic number.

It is not a de Polignac number, because 112421013 - 213 = 112412821 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112420983 and 112421001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112421083) 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, 18736833 + ... + 18736838.

It is an arithmetic number, because the mean of its divisors is an integer number (37473672).

Almost surely, 2112421013 is an apocalyptic number.

It is an amenable number.

112421013 is a deficient number, since it is larger than the sum of its proper divisors (37473675).

112421013 is an equidigital number, since it uses as much as digits as its factorization.

112421013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37473674.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 112421013 is about 10602.8775811098. The cubic root of 112421013 is about 482.6316864290.

Adding to 112421013 its reverse (310124211), we get a palindrome (422545224).

The spelling of 112421013 in words is "one hundred twelve million, four hundred twenty-one thousand, thirteen".

Divisors: 1 3 37473671 112421013