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122420423233 = 509240511637
BaseRepresentation
bin111001000000011010…
…0110110101001000001
3102200222200121211222101
41302000310312221001
54001204112020413
6132123354310401
711562456266623
oct1620064665101
9380880554871
10122420423233
1147a111569a9
121b886428401
13b70c7a3c74
145cd49a0c13
1532b7712edd
hex1c80d36a41

122420423233 has 4 divisors (see below), whose sum is σ = 122660935380. Its totient is φ = 122179911088.

The previous prime is 122420423161. The next prime is 122420423261. The reversal of 122420423233 is 332324024221.

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 100772597809 + 21647825424 = 317447^2 + 147132^2 .

It is a cyclic number.

It is not a de Polignac number, because 122420423233 - 225 = 122386868801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122420423263) 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, 120255310 + ... + 120256327.

It is an arithmetic number, because the mean of its divisors is an integer number (30665233845).

Almost surely, 2122420423233 is an apocalyptic number.

It is an amenable number.

122420423233 is a deficient number, since it is larger than the sum of its proper divisors (240512147).

122420423233 is an equidigital number, since it uses as much as digits as its factorization.

122420423233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240512146.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 122420423233 its reverse (332324024221), we get a palindrome (454744447454).

The spelling of 122420423233 in words is "one hundred twenty-two billion, four hundred twenty million, four hundred twenty-three thousand, two hundred thirty-three".

Divisors: 1 509 240511637 122420423233