Base | Representation |
---|---|
bin | 111001010100100110… |
… | …0011001100101000101 |
3 | 102202201220000021111100 |
4 | 1302221030121211011 |
5 | 4004101001344133 |
6 | 132314510330313 |
7 | 11615322023643 |
oct | 1625114314505 |
9 | 382656007440 |
10 | 123097684293 |
11 | 48229485191 |
12 | 1ba351b9999 |
13 | b7b9bb135c |
14 | 5d5a8da193 |
15 | 3306de2e13 |
hex | 1ca9319945 |
123097684293 has 12 divisors (see below), whose sum is σ = 178545560908. Its totient is φ = 81724602240.
The previous prime is 123097684261. The next prime is 123097684321. The reversal of 123097684293 is 392486790321.
123097684293 is a `hidden beast` number, since 123 + 0 + 97 + 6 + 8 + 429 + 3 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 79886500164 + 43211184129 = 282642^2 + 207873^2 .
It is not a de Polignac number, because 123097684293 - 25 = 123097684261 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 (123097684393) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28374430 + ... + 28378767.
Almost surely, 2123097684293 is an apocalyptic number.
It is an amenable number.
123097684293 is a deficient number, since it is larger than the sum of its proper divisors (55447876615).
123097684293 is a wasteful number, since it uses less digits than its factorization.
123097684293 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56753444 (or 56753441 counting only the distinct ones).
The product of its (nonzero) digits is 3919104, while the sum is 54.
The spelling of 123097684293 in words is "one hundred twenty-three billion, ninety-seven million, six hundred eighty-four thousand, two hundred ninety-three".
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