Base | Representation |
---|---|
bin | 10000111101100… |
… | …01101101010011 |
3 | 100220201212012221 |
4 | 20132301231103 |
5 | 242411120101 |
6 | 22041401511 |
7 | 3345256654 |
oct | 1036615523 |
9 | 326655187 |
10 | 142285651 |
11 | 73353352 |
12 | 3b799297 |
13 | 2362a7c1 |
14 | 14c7b52b |
15 | c758aa1 |
hex | 87b1b53 |
142285651 has 2 divisors, whose sum is σ = 142285652. Its totient is φ = 142285650.
The previous prime is 142285603. The next prime is 142285681. The reversal of 142285651 is 156582241.
It is a happy number.
It is a strong prime.
It is an emirp because it is prime and its reverse (156582241) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 142285651 - 27 = 142285523 is a prime.
It is not a weakly prime, because it can be changed into another prime (142285601) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71142825 + 71142826.
It is an arithmetic number, because the mean of its divisors is an integer number (71142826).
Almost surely, 2142285651 is an apocalyptic number.
142285651 is a deficient number, since it is larger than the sum of its proper divisors (1).
142285651 is an equidigital number, since it uses as much as digits as its factorization.
142285651 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 19200, while the sum is 34.
The square root of 142285651 is about 11928.3549159136. The cubic root of 142285651 is about 522.0599391446.
The spelling of 142285651 in words is "one hundred forty-two million, two hundred eighty-five thousand, six hundred fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •