Base | Representation |
---|---|
bin | 10000111101100… |
… | …10100011010011 |
3 | 100220202000221221 |
4 | 20132302203103 |
5 | 242411222412 |
6 | 22041425511 |
7 | 3345303022 |
oct | 1036624323 |
9 | 326660857 |
10 | 142289107 |
11 | 73355a04 |
12 | 3b79b297 |
13 | 2362c24c |
14 | 14c7c8b9 |
15 | c759b07 |
hex | 87b28d3 |
142289107 has 8 divisors (see below), whose sum is σ = 145999040. Its totient is φ = 138597480.
The previous prime is 142289093. The next prime is 142289117. The reversal of 142289107 is 701982241.
142289107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-142289107 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142289117) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11932 + ... + 20662.
It is an arithmetic number, because the mean of its divisors is an integer number (18249880).
Almost surely, 2142289107 is an apocalyptic number.
142289107 is a deficient number, since it is larger than the sum of its proper divisors (3709933).
142289107 is an equidigital number, since it uses as much as digits as its factorization.
142289107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9153.
The product of its (nonzero) digits is 8064, while the sum is 34.
The square root of 142289107 is about 11928.4997799388. The cubic root of 142289107 is about 522.0641659108.
The spelling of 142289107 in words is "one hundred forty-two million, two hundred eighty-nine thousand, one hundred seven".
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