Search a number
-
+
112403310661 = 195915963719
BaseRepresentation
bin110100010101111000…
…0100110100001000101
3101202010120122210211001
41220223300212201011
53320200221420121
6123345401013301
711056313243035
oct1505360464105
9352116583731
10112403310661
1143740813a74
121994b784231
13a7a43a4715
1456244658c5
152dcd0c4991
hex1a2bc26845

112403310661 has 4 divisors (see below), whose sum is σ = 118319274400. Its totient is φ = 106487346924.

The previous prime is 112403310659. The next prime is 112403310689. The reversal of 112403310661 is 166013304211.

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 112403310661 - 21 = 112403310659 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 (112403310631) 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, 2957981841 + ... + 2957981878.

It is an arithmetic number, because the mean of its divisors is an integer number (29579818600).

Almost surely, 2112403310661 is an apocalyptic number.

It is an amenable number.

112403310661 is a deficient number, since it is larger than the sum of its proper divisors (5915963739).

112403310661 is an equidigital number, since it uses as much as digits as its factorization.

112403310661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5915963738.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 112403310661 its reverse (166013304211), we get a palindrome (278416614872).

The spelling of 112403310661 in words is "one hundred twelve billion, four hundred three million, three hundred ten thousand, six hundred sixty-one".

Divisors: 1 19 5915963719 112403310661