Base | Representation |
---|---|
bin | 10000111100110… |
… | …01111001111001 |
3 | 100220112220110220 |
4 | 20132121321321 |
5 | 242400010103 |
6 | 22035330253 |
7 | 3344402502 |
oct | 1036317171 |
9 | 326486426 |
10 | 142188153 |
11 | 73297078 |
12 | 3b750989 |
13 | 235c5303 |
14 | 14c53ba9 |
15 | c739c53 |
hex | 8799e79 |
142188153 has 24 divisors (see below), whose sum is σ = 211884768. Its totient is φ = 84509568.
The previous prime is 142188121. The next prime is 142188157. The reversal of 142188153 is 351881241.
It is not a de Polignac number, because 142188153 - 25 = 142188121 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142188157) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14550 + ... + 22272.
It is an arithmetic number, because the mean of its divisors is an integer number (8828532).
Almost surely, 2142188153 is an apocalyptic number.
It is an amenable number.
142188153 is a deficient number, since it is larger than the sum of its proper divisors (69696615).
142188153 is a wasteful number, since it uses less digits than its factorization.
142188153 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7781 (or 7762 counting only the distinct ones).
The product of its digits is 7680, while the sum is 33.
The square root of 142188153 is about 11924.2673988803. The cubic root of 142188153 is about 521.9406686724.
The spelling of 142188153 in words is "one hundred forty-two million, one hundred eighty-eight thousand, one hundred fifty-three".
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