Base | Representation |
---|---|
bin | 11011111111110010111111… |
… | …110010000011001110110110 |
3 | 121010222020111210110010202000 |
4 | 123333302333302003032312 |
5 | 112114340441020313142 |
6 | 1113513431240400130 |
7 | 34635642251126442 |
oct | 3377627762031666 |
9 | 533866453403660 |
10 | 123131340010422 |
11 | 36262787454747 |
12 | 11987818776046 |
13 | 539230a637873 |
14 | 22598353a9822 |
15 | e37dde6a314c |
hex | 6ffcbfc833b6 |
123131340010422 has 32 divisors (see below), whose sum is σ = 273625630239360. Its totient is φ = 41043715471080.
The previous prime is 123131340010333. The next prime is 123131340010433. The reversal of 123131340010422 is 224010043131321.
123131340010422 is a `hidden beast` number, since 1 + 2 + 3 + 131 + 3 + 400 + 104 + 22 = 666.
It is a super-2 number, since 2×1231313400104222 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43257297 + ... + 46015827.
It is an arithmetic number, because the mean of its divisors is an integer number (8550800944980).
Almost surely, 2123131340010422 is an apocalyptic number.
123131340010422 is an abundant number, since it is smaller than the sum of its proper divisors (150494290228938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123131340010422 is a wasteful number, since it uses less digits than its factorization.
123131340010422 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3585145 (or 3585139 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
Adding to 123131340010422 its reverse (224010043131321), we get a palindrome (347141383141743).
The spelling of 123131340010422 in words is "one hundred twenty-three trillion, one hundred thirty-one billion, three hundred forty million, ten thousand, four hundred twenty-two".
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