Search a number
-
+
122621419423 = 1961729393559
BaseRepresentation
bin111001000110011001…
…1100101111110011111
3102201111200211111220201
41302030303211332133
54002112040410143
6132155334324331
711600446603426
oct1621463457637
9381450744821
10122621419423
114800465a358
121b9217b96a7
13b742319819
145d135622bd
1532ca1b764d
hex1c8cce5f9f

122621419423 has 16 divisors (see below), whose sum is σ = 129364704000. Its totient is φ = 115907343552.

The previous prime is 122621419391. The next prime is 122621419447. The reversal of 122621419423 is 324914126221.

It is a cyclic number.

It is not a de Polignac number, because 122621419423 - 25 = 122621419391 is a prime.

It is a super-2 number, since 2×1226214194232 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122621419483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34452118 + ... + 34455676.

It is an arithmetic number, because the mean of its divisors is an integer number (8085294000).

Almost surely, 2122621419423 is an apocalyptic number.

122621419423 is a deficient number, since it is larger than the sum of its proper divisors (6743284577).

122621419423 is a wasteful number, since it uses less digits than its factorization.

122621419423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7134.

The product of its digits is 41472, while the sum is 37.

The spelling of 122621419423 in words is "one hundred twenty-two billion, six hundred twenty-one million, four hundred nineteen thousand, four hundred twenty-three".

Divisors: 1 19 617 2939 3559 11723 55841 67621 1813363 2195903 10459901 34453897 41722157 198738119 6453758917 122621419423