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122711031342 = 2326817279519
BaseRepresentation
bin111001001001000100…
…1011011111000101110
3102201201221110021100200
41302102021123320232
54002303011000332
6132212255134330
711602615361604
oct1622211337056
9381657407320
10122711031342
11480501a6099
121b9478143a6
13b757a63c23
145d2140b874
1532d2eb917c
hex1c9225be2e

122711031342 has 12 divisors (see below), whose sum is σ = 265873901280. Its totient is φ = 40903677108.

The previous prime is 122711031293. The next prime is 122711031349. The reversal of 122711031342 is 243130117221.

122711031342 is a `hidden beast` number, since 12 + 271 + 10 + 31 + 342 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122711031349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3408639742 + ... + 3408639777.

It is an arithmetic number, because the mean of its divisors is an integer number (22156158440).

Almost surely, 2122711031342 is an apocalyptic number.

122711031342 is an abundant number, since it is smaller than the sum of its proper divisors (143162869938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122711031342 is a wasteful number, since it uses less digits than its factorization.

122711031342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6817279527 (or 6817279524 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

Adding to 122711031342 its reverse (243130117221), we get a palindrome (365841148563).

The spelling of 122711031342 in words is "one hundred twenty-two billion, seven hundred eleven million, thirty-one thousand, three hundred forty-two".

Divisors: 1 2 3 6 9 18 6817279519 13634559038 20451838557 40903677114 61355515671 122711031342