Base | Representation |
---|---|
bin | 1000111100001000100… |
… | …00110001100110111111 |
3 | 1002100211121212110101020 |
4 | 10132010100301212333 |
5 | 20013031341334111 |
6 | 353035204315223 |
7 | 31122516046101 |
oct | 4360420614677 |
9 | 1070747773336 |
10 | 307161668031 |
11 | 1092a2832509 |
12 | 4b6439a2b13 |
13 | 22c7178a5ba |
14 | 10c1c343571 |
15 | 7ecb2ae906 |
hex | 47844319bf |
307161668031 has 8 divisors (see below), whose sum is σ = 409738417584. Its totient is φ = 204679681920.
The previous prime is 307161668003. The next prime is 307161668081. The reversal of 307161668031 is 130866161703.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 307161668031 - 27 = 307161667903 is a prime.
It is a super-2 number, since 2×3071616680312 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (307161668081) 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 7 ways as a sum of consecutive naturals, for example, 23683296 + ... + 23696261.
It is an arithmetic number, because the mean of its divisors is an integer number (51217302198).
Almost surely, 2307161668031 is an apocalyptic number.
307161668031 is a deficient number, since it is larger than the sum of its proper divisors (102576749553).
307161668031 is a wasteful number, since it uses less digits than its factorization.
307161668031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47381721.
The product of its (nonzero) digits is 108864, while the sum is 42.
The spelling of 307161668031 in words is "three hundred seven billion, one hundred sixty-one million, six hundred sixty-eight thousand, thirty-one".
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