Base | Representation |
---|---|
bin | 111101001000001111… |
… | …0000111001010111010 |
3 | 110112211121222210102200 |
4 | 1322100132013022322 |
5 | 4122321321103144 |
6 | 140150024211030 |
7 | 12325030441605 |
oct | 1722036071272 |
9 | 415747883380 |
10 | 131272831674 |
11 | 50744100436 |
12 | 21537009a76 |
13 | c4c07b967a |
14 | 64d455733c |
15 | 3634988c69 |
hex | 1e907872ba |
131272831674 has 24 divisors (see below), whose sum is σ = 289087167252. Its totient is φ = 43040272320.
The previous prime is 131272831673. The next prime is 131272831681. The reversal of 131272831674 is 476138272131.
It can be written as a sum of positive squares in 2 ways, for example, as 130562982225 + 709849449 = 361335^2 + 26643^2 .
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (131272831673) 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 11 ways as a sum of consecutive naturals, for example, 59777059 + ... + 59779254.
Almost surely, 2131272831674 is an apocalyptic number.
131272831674 is an abundant number, since it is smaller than the sum of its proper divisors (157814335578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131272831674 is a wasteful number, since it uses less digits than its factorization.
131272831674 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 119556382 (or 119556379 counting only the distinct ones).
The product of its digits is 338688, while the sum is 45.
The spelling of 131272831674 in words is "one hundred thirty-one billion, two hundred seventy-two million, eight hundred thirty-one thousand, six hundred seventy-four".
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