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122343312642 = 23191497202597
BaseRepresentation
bin111000111110000111…
…0101100110100000010
3102200210022112020010120
41301330032230310002
54001024342001032
6132112001441110
711560531666455
oct1617416546402
9380708466116
10122343312642
1147981679641
121b864640196
13b6c9815ab5
145cc864b49c
1532b0a8062c
hex1c7c3acd02

122343312642 has 32 divisors (see below), whose sum is σ = 259293528000. Its totient is φ = 38375431488.

The previous prime is 122343312613. The next prime is 122343312673. The reversal of 122343312642 is 246213343221.

It is a super-2 number, since 2×1223433126422 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3584313 + ... + 3618284.

It is an arithmetic number, because the mean of its divisors is an integer number (8102922750).

Almost surely, 2122343312642 is an apocalyptic number.

122343312642 is an abundant number, since it is smaller than the sum of its proper divisors (136950215358).

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

122343312642 is a wasteful number, since it uses less digits than its factorization.

122343312642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7202770.

The product of its digits is 41472, while the sum is 33.

Adding to 122343312642 its reverse (246213343221), we get a palindrome (368556655863).

The spelling of 122343312642 in words is "one hundred twenty-two billion, three hundred forty-three million, three hundred twelve thousand, six hundred forty-two".

Divisors: 1 2 3 6 19 38 57 114 149 298 447 894 2831 5662 8493 16986 7202597 14405194 21607791 43215582 136849343 273698686 410548029 821096058 1073186953 2146373906 3219560859 6439121718 20390552107 40781104214 61171656321 122343312642