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122631213407 = 593421149109
BaseRepresentation
bin111001000110101100…
…0111101000101011111
3102201112101021002201212
41302031120331011133
54002122042312112
6132200324255035
711600626054343
oct1621530750537
9381471232655
10122631213407
114800a13975a
121b924b4147b
13b744368691
145d14991623
1532cae9e522
hex1c8d63d15f

122631213407 has 8 divisors (see below), whose sum is σ = 122869684080. Its totient is φ = 122392850560.

The previous prime is 122631213377. The next prime is 122631213431. The reversal of 122631213407 is 704312136221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122631213407 - 26 = 122631213343 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 (122631213007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2472569 + ... + 2521677.

It is an arithmetic number, because the mean of its divisors is an integer number (15358710510).

Almost surely, 2122631213407 is an apocalyptic number.

122631213407 is a deficient number, since it is larger than the sum of its proper divisors (238470673).

122631213407 is an equidigital number, since it uses as much as digits as its factorization.

122631213407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53913.

The product of its (nonzero) digits is 12096, while the sum is 32.

Adding to 122631213407 its reverse (704312136221), we get a palindrome (826943349628).

The spelling of 122631213407 in words is "one hundred twenty-two billion, six hundred thirty-one million, two hundred thirteen thousand, four hundred seven".

Divisors: 1 593 4211 49109 2497123 29121637 206797999 122631213407