Base | Representation |
---|---|
bin | 10001000000111… |
… | …10011100010011 |
3 | 100221120111011100 |
4 | 20200132130103 |
5 | 243014343102 |
6 | 22055115443 |
7 | 3352123305 |
oct | 1040363423 |
9 | 327514140 |
10 | 142731027 |
11 | 73627a2a |
12 | 3b972b83 |
13 | 2375543a |
14 | 14d55975 |
15 | c7e5a1c |
hex | 881e713 |
142731027 has 12 divisors (see below), whose sum is σ = 207237784. Its totient is φ = 94659840.
The previous prime is 142731007. The next prime is 142731047. The reversal of 142731027 is 720137241.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (142731007) and next prime (142731047).
It is not a de Polignac number, because 142731027 - 28 = 142730771 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142731007) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39349 + ... + 42822.
Almost surely, 2142731027 is an apocalyptic number.
142731027 is a deficient number, since it is larger than the sum of its proper divisors (64506757).
142731027 is a wasteful number, since it uses less digits than its factorization.
142731027 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82370 (or 82367 counting only the distinct ones).
The product of its (nonzero) digits is 2352, while the sum is 27.
The square root of 142731027 is about 11947.0091236259. The cubic root of 142731027 is about 522.6040811255.
Adding to 142731027 its reverse (720137241), we get a palindrome (862868268).
The spelling of 142731027 in words is "one hundred forty-two million, seven hundred thirty-one thousand, twenty-seven".
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