Base | Representation |
---|---|
bin | 10000111100011… |
… | …00011100000101 |
3 | 100220110002211002 |
4 | 20132030130011 |
5 | 242341223442 |
6 | 22034223045 |
7 | 3344052626 |
oct | 1036143405 |
9 | 326402732 |
10 | 142132997 |
11 | 73259696 |
12 | 3b724a85 |
13 | 235a6186 |
14 | 14c3ba4d |
15 | c728732 |
hex | 878c705 |
142132997 has 2 divisors, whose sum is σ = 142132998. Its totient is φ = 142132996.
The previous prime is 142132993. The next prime is 142132999. The reversal of 142132997 is 799231241.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 110481121 + 31651876 = 10511^2 + 5626^2 .
It is a cyclic number.
It is not a de Polignac number, because 142132997 - 22 = 142132993 is a prime.
Together with 142132999, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 142132997.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (142132993) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71066498 + 71066499.
It is an arithmetic number, because the mean of its divisors is an integer number (71066499).
Almost surely, 2142132997 is an apocalyptic number.
It is an amenable number.
142132997 is a deficient number, since it is larger than the sum of its proper divisors (1).
142132997 is an equidigital number, since it uses as much as digits as its factorization.
142132997 is an evil number, because the sum of its binary digits is even.
The product of its digits is 27216, while the sum is 38.
The square root of 142132997 is about 11921.9544119242. The cubic root of 142132997 is about 521.8731715284.
The spelling of 142132997 in words is "one hundred forty-two million, one hundred thirty-two thousand, nine hundred ninety-seven".
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