Base | Representation |
---|---|
bin | 111000111110000111… |
… | …0101100110100000010 |
3 | 102200210022112020010120 |
4 | 1301330032230310002 |
5 | 4001024342001032 |
6 | 132112001441110 |
7 | 11560531666455 |
oct | 1617416546402 |
9 | 380708466116 |
10 | 122343312642 |
11 | 47981679641 |
12 | 1b864640196 |
13 | b6c9815ab5 |
14 | 5cc864b49c |
15 | 32b0a8062c |
hex | 1c7c3acd02 |
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".
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