Base | Representation |
---|---|
bin | 10001000000000… |
… | …01100011011001 |
3 | 100221100110211202 |
4 | 20200001203121 |
5 | 243002101242 |
6 | 22052403545 |
7 | 3351121313 |
oct | 1040014331 |
9 | 327313752 |
10 | 142612697 |
11 | 73557037 |
12 | 3b9165b5 |
13 | 23713616 |
14 | 14d247b3 |
15 | c7c0932 |
hex | 88018d9 |
142612697 has 2 divisors, whose sum is σ = 142612698. Its totient is φ = 142612696.
The previous prime is 142612681. The next prime is 142612721. The reversal of 142612697 is 796216241.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 81522841 + 61089856 = 9029^2 + 7816^2 .
It is an emirp because it is prime and its reverse (796216241) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 142612697 - 24 = 142612681 is a prime.
It is a super-2 number, since 2×1426126972 = 40676762691227618, which contains 22 as substring.
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 142612697.
It is not a weakly prime, because it can be changed into another prime (142612607) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71306348 + 71306349.
It is an arithmetic number, because the mean of its divisors is an integer number (71306349).
Almost surely, 2142612697 is an apocalyptic number.
It is an amenable number.
142612697 is a deficient number, since it is larger than the sum of its proper divisors (1).
142612697 is an equidigital number, since it uses as much as digits as its factorization.
142612697 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 36288, while the sum is 38.
The square root of 142612697 is about 11942.0558112915. The cubic root of 142612697 is about 522.4596209724.
The spelling of 142612697 in words is "one hundred forty-two million, six hundred twelve thousand, six hundred ninety-seven".
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