Base | Representation |
---|---|
bin | 1111101101010… |
… | …10000101100101 |
3 | 100011221112122101 |
4 | 13312222011211 |
5 | 232213044202 |
6 | 21024132101 |
7 | 3160005145 |
oct | 766520545 |
9 | 304845571 |
10 | 131768677 |
11 | 6841a837 |
12 | 38167031 |
13 | 213b7841 |
14 | 13700925 |
15 | b87c887 |
hex | 7daa165 |
131768677 has 2 divisors, whose sum is σ = 131768678. Its totient is φ = 131768676.
The previous prime is 131768671. The next prime is 131768701. The reversal of 131768677 is 776867131.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 92756161 + 39012516 = 9631^2 + 6246^2 .
It is a cyclic number.
It is not a de Polignac number, because 131768677 - 23 = 131768669 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131768671) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65884338 + 65884339.
It is an arithmetic number, because the mean of its divisors is an integer number (65884339).
Almost surely, 2131768677 is an apocalyptic number.
It is an amenable number.
131768677 is a deficient number, since it is larger than the sum of its proper divisors (1).
131768677 is an equidigital number, since it uses as much as digits as its factorization.
131768677 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 296352, while the sum is 46.
The square root of 131768677 is about 11479.0538373160. The cubic root of 131768677 is about 508.8667352213.
The spelling of 131768677 in words is "one hundred thirty-one million, seven hundred sixty-eight thousand, six hundred seventy-seven".
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