Base | Representation |
---|---|
bin | 10001000000001… |
… | …00010011111011 |
3 | 100221101001100012 |
4 | 20200010103323 |
5 | 243002431440 |
6 | 22052532135 |
7 | 3351166253 |
oct | 1040042373 |
9 | 327331305 |
10 | 142623995 |
11 | 73564578 |
12 | 3b92104b |
13 | 237187c7 |
14 | 14d28963 |
15 | c7c3e65 |
hex | 88044fb |
142623995 has 4 divisors (see below), whose sum is σ = 171148800. Its totient is φ = 114099192.
The previous prime is 142623979. The next prime is 142624003. The reversal of 142623995 is 599326241.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 599326241 = 263 ⋅2278807.
It is a cyclic number.
It is not a de Polignac number, because 142623995 - 24 = 142623979 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14262395 + ... + 14262404.
It is an arithmetic number, because the mean of its divisors is an integer number (42787200).
Almost surely, 2142623995 is an apocalyptic number.
142623995 is a deficient number, since it is larger than the sum of its proper divisors (28524805).
142623995 is an equidigital number, since it uses as much as digits as its factorization.
142623995 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28524804.
The product of its digits is 116640, while the sum is 41.
The square root of 142623995 is about 11942.5288360548. The cubic root of 142623995 is about 522.4734172964.
The spelling of 142623995 in words is "one hundred forty-two million, six hundred twenty-three thousand, nine hundred ninety-five".
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