Search a number
-
+
122663664707 = 196455982353
BaseRepresentation
bin111001000111101010…
…0101111110001000011
3102201121122022210112212
41302033110233301003
54002203344232312
6132203444012335
711601501642503
oct1621724576103
9381548283485
10122663664707
1148026493911
121b9339910ab
13b74acbb32c
145d18ddba03
1532cdc5e822
hex1c8f52fc43

122663664707 has 4 divisors (see below), whose sum is σ = 129119647080. Its totient is φ = 116207682336.

The previous prime is 122663664691. The next prime is 122663664719. The reversal of 122663664707 is 707466366221.

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

It is a cyclic number.

It is not a de Polignac number, because 122663664707 - 24 = 122663664691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122663664727) 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, 3227991158 + ... + 3227991195.

It is an arithmetic number, because the mean of its divisors is an integer number (32279911770).

Almost surely, 2122663664707 is an apocalyptic number.

122663664707 is a deficient number, since it is larger than the sum of its proper divisors (6455982373).

122663664707 is an equidigital number, since it uses as much as digits as its factorization.

122663664707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6455982372.

The product of its (nonzero) digits is 3048192, while the sum is 50.

The spelling of 122663664707 in words is "one hundred twenty-two billion, six hundred sixty-three million, six hundred sixty-four thousand, seven hundred seven".

Divisors: 1 19 6455982353 122663664707