Base | Representation |
---|---|
bin | 10000111100010… |
… | …11101101101001 |
3 | 100220102221202000 |
4 | 20132023231221 |
5 | 242341130100 |
6 | 22034201213 |
7 | 3344041152 |
oct | 1036135551 |
9 | 326387660 |
10 | 142130025 |
11 | 73257434 |
12 | 3b723209 |
13 | 235a4a0b |
14 | 14c3a929 |
15 | c727900 |
hex | 878bb69 |
142130025 has 48 divisors (see below), whose sum is σ = 262691520. Its totient is φ = 75340800.
The previous prime is 142130011. The next prime is 142130033. The reversal of 142130025 is 520031241.
It is not a de Polignac number, because 142130025 - 25 = 142129993 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129730 + ... + 130820.
It is an arithmetic number, because the mean of its divisors is an integer number (5472740).
Almost surely, 2142130025 is an apocalyptic number.
142130025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
142130025 is a deficient number, since it is larger than the sum of its proper divisors (120561495).
142130025 is a wasteful number, since it uses less digits than its factorization.
142130025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1303 (or 1292 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 142130025 is about 11921.8297672799. The cubic root of 142130025 is about 521.8695340482.
Adding to 142130025 its reverse (520031241), we get a palindrome (662161266).
The spelling of 142130025 in words is "one hundred forty-two million, one hundred thirty thousand, twenty-five".
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