Base | Representation |
---|---|
bin | 1111101001000… |
… | …10101111000101 |
3 | 100010220101011001 |
4 | 13310202233011 |
5 | 232042324102 |
6 | 21004213301 |
7 | 3152205625 |
oct | 764425705 |
9 | 303811131 |
10 | 131214277 |
11 | 68081257 |
12 | 37b3a231 |
13 | 212523ac |
14 | 135d8885 |
15 | b7bd487 |
hex | 7d22bc5 |
131214277 has 2 divisors, whose sum is σ = 131214278. Its totient is φ = 131214276.
The previous prime is 131214269. The next prime is 131214329. The reversal of 131214277 is 772412131.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 128006596 + 3207681 = 11314^2 + 1791^2 .
It is a cyclic number.
It is not a de Polignac number, because 131214277 - 23 = 131214269 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131214217) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65607138 + 65607139.
It is an arithmetic number, because the mean of its divisors is an integer number (65607139).
Almost surely, 2131214277 is an apocalyptic number.
It is an amenable number.
131214277 is a deficient number, since it is larger than the sum of its proper divisors (1).
131214277 is an equidigital number, since it uses as much as digits as its factorization.
131214277 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2352, while the sum is 28.
The square root of 131214277 is about 11454.8800517509. The cubic root of 131214277 is about 508.1520679037.
The spelling of 131214277 in words is "one hundred thirty-one million, two hundred fourteen thousand, two hundred seventy-seven".
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