Base | Representation |
---|---|
bin | 10001000000011… |
… | …10011100101010 |
3 | 100221110011021221 |
4 | 20200032130222 |
5 | 243010244024 |
6 | 22053452254 |
7 | 3351431305 |
oct | 1040163452 |
9 | 327404257 |
10 | 142665514 |
11 | 73592792 |
12 | 3b94108a |
13 | 23731684 |
14 | 14d39b3c |
15 | c7d13e4 |
hex | 880e72a |
142665514 has 8 divisors (see below), whose sum is σ = 214175808. Its totient is φ = 71273580.
The previous prime is 142665499. The next prime is 142665521. The reversal of 142665514 is 415566241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 142665514.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26512 + ... + 31435.
It is an arithmetic number, because the mean of its divisors is an integer number (26771976).
Almost surely, 2142665514 is an apocalyptic number.
142665514 is a deficient number, since it is larger than the sum of its proper divisors (71510294).
142665514 is a wasteful number, since it uses less digits than its factorization.
142665514 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59180.
The product of its digits is 28800, while the sum is 34.
The square root of 142665514 is about 11944.2669929971. The cubic root of 142665514 is about 522.5241111253.
The spelling of 142665514 in words is "one hundred forty-two million, six hundred sixty-five thousand, five hundred fourteen".
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