Base | Representation |
---|---|
bin | 10001000000110… |
… | …01110111001111 |
3 | 100221112112102200 |
4 | 20200121313033 |
5 | 243013243041 |
6 | 22054452543 |
7 | 3352014522 |
oct | 1040316717 |
9 | 327475380 |
10 | 142712271 |
11 | 73614929 |
12 | 3b964153 |
13 | 23749a40 |
14 | 14d4cbb9 |
15 | c7e01b6 |
hex | 8819dcf |
142712271 has 12 divisors (see below), whose sum is σ = 221997048. Its totient is φ = 87822864.
The previous prime is 142712237. The next prime is 142712279. The reversal of 142712271 is 172217241.
It is a happy number.
142712271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 142712271 - 29 = 142711759 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142712279) 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, 609765 + ... + 609998.
It is an arithmetic number, because the mean of its divisors is an integer number (18499754).
Almost surely, 2142712271 is an apocalyptic number.
142712271 is a deficient number, since it is larger than the sum of its proper divisors (79284777).
142712271 is a wasteful number, since it uses less digits than its factorization.
142712271 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1219782 (or 1219779 counting only the distinct ones).
The product of its digits is 1568, while the sum is 27.
The square root of 142712271 is about 11946.2241314986. The cubic root of 142712271 is about 522.5811886689.
The spelling of 142712271 in words is "one hundred forty-two million, seven hundred twelve thousand, two hundred seventy-one".
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