Search a number
-
+
112054444021 = 138619572617
BaseRepresentation
bin110100001011011110…
…1110001111111110101
3101201020021012112202101
41220112331301333311
53313441414202041
6123251015342101
711044546026112
oct1502675617765
9351207175671
10112054444021
11435818a3333
1219872981931
13a74a027360
1455cddb1909
152dac661b31
hex1a16f71ff5

112054444021 has 4 divisors (see below), whose sum is σ = 120674016652. Its totient is φ = 103434871392.

The previous prime is 112054444013. The next prime is 112054444037. The reversal of 112054444021 is 120444450211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7020764100 + 105033679921 = 83790^2 + 324089^2 .

It is a cyclic number.

It is not a de Polignac number, because 112054444021 - 23 = 112054444013 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 (112054444001) 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, 4309786296 + ... + 4309786321.

It is an arithmetic number, because the mean of its divisors is an integer number (30168504163).

Almost surely, 2112054444021 is an apocalyptic number.

It is an amenable number.

112054444021 is a deficient number, since it is larger than the sum of its proper divisors (8619572631).

112054444021 is an equidigital number, since it uses as much as digits as its factorization.

112054444021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8619572630.

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 112054444021 its reverse (120444450211), we get a palindrome (232498894232).

The spelling of 112054444021 in words is "one hundred twelve billion, fifty-four million, four hundred forty-four thousand, twenty-one".

Divisors: 1 13 8619572617 112054444021