Base | Representation |
---|---|
bin | 10001000000110… |
… | …01101111000001 |
3 | 100221112111201012 |
4 | 20200121233001 |
5 | 243013233440 |
6 | 22054450305 |
7 | 3352013141 |
oct | 1040315701 |
9 | 327474635 |
10 | 142711745 |
11 | 736144a0 |
12 | 3b963995 |
13 | 23749727 |
14 | 14d4c921 |
15 | c7dee65 |
hex | 8819bc1 |
142711745 has 8 divisors (see below), whose sum is σ = 186822720. Its totient is φ = 103790320.
The previous prime is 142711733. The next prime is 142711759. The reversal of 142711745 is 547117241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 142711745 - 24 = 142711729 is a prime.
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 7 ways as a sum of consecutive naturals, for example, 1297325 + ... + 1297434.
It is an arithmetic number, because the mean of its divisors is an integer number (23352840).
Almost surely, 2142711745 is an apocalyptic number.
It is an amenable number.
142711745 is a deficient number, since it is larger than the sum of its proper divisors (44110975).
142711745 is a wasteful number, since it uses less digits than its factorization.
142711745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2594775.
The product of its digits is 7840, while the sum is 32.
The square root of 142711745 is about 11946.2021161539. The cubic root of 142711745 is about 522.5805466357.
Adding to 142711745 its reverse (547117241), we get a palindrome (689828986).
The spelling of 142711745 in words is "one hundred forty-two million, seven hundred eleven thousand, seven hundred forty-five".
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