Base | Representation |
---|---|
bin | 10000111100000… |
… | …01101000001001 |
3 | 100220100212001221 |
4 | 20132001220021 |
5 | 242333314323 |
6 | 22033242041 |
7 | 3343506544 |
oct | 1036015011 |
9 | 326325057 |
10 | 142088713 |
11 | 73229398 |
12 | 3b703321 |
13 | 2358bc80 |
14 | 14c2985b |
15 | c71a55d |
hex | 8781a09 |
142088713 has 4 divisors (see below), whose sum is σ = 153018628. Its totient is φ = 131158800.
The previous prime is 142088693. The next prime is 142088731. The reversal of 142088713 is 317880241.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 58859584 + 83229129 = 7672^2 + 9123^2 .
It is a cyclic number.
It is not a de Polignac number, because 142088713 - 221 = 139991561 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142083713) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5464938 + ... + 5464963.
It is an arithmetic number, because the mean of its divisors is an integer number (38254657).
Almost surely, 2142088713 is an apocalyptic number.
142088713 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
142088713 is a deficient number, since it is larger than the sum of its proper divisors (10929915).
142088713 is a wasteful number, since it uses less digits than its factorization.
142088713 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10929914.
The product of its (nonzero) digits is 10752, while the sum is 34.
The square root of 142088713 is about 11920.0970214172. The cubic root of 142088713 is about 521.8189663529.
The spelling of 142088713 in words is "one hundred forty-two million, eighty-eight thousand, seven hundred thirteen".
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