Base | Representation |
---|---|
bin | 10000111011111… |
… | …00010000100101 |
3 | 100220022201220120 |
4 | 20131330100211 |
5 | 242332113400 |
6 | 22032552153 |
7 | 3343355463 |
oct | 1035742045 |
9 | 326281816 |
10 | 142066725 |
11 | 73213919 |
12 | 3b6b2659 |
13 | 23581c68 |
14 | 14c21833 |
15 | c713ca0 |
hex | 877c425 |
142066725 has 24 divisors (see below), whose sum is σ = 236344992. Its totient is φ = 75297600.
The previous prime is 142066703. The next prime is 142066783. The reversal of 142066725 is 527660241.
It is not a de Polignac number, because 142066725 - 27 = 142066597 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6415 + ... + 18035.
It is an arithmetic number, because the mean of its divisors is an integer number (9847708).
Almost surely, 2142066725 is an apocalyptic number.
142066725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
142066725 is a deficient number, since it is larger than the sum of its proper divisors (94278267).
142066725 is a wasteful number, since it uses less digits than its factorization.
142066725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11797 (or 11792 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 33.
The square root of 142066725 is about 11919.1746778038. The cubic root of 142066725 is about 521.7920480822.
The spelling of 142066725 in words is "one hundred forty-two million, sixty-six thousand, seven hundred twenty-five".
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