Base | Representation |
---|---|
bin | 10000111011100… |
… | …11100011000011 |
3 | 100220020220222000 |
4 | 20131303203003 |
5 | 242324443133 |
6 | 22032115043 |
7 | 3343146450 |
oct | 1035634303 |
9 | 326226860 |
10 | 142031043 |
11 | 7319a030 |
12 | 3b695a83 |
13 | 2356b94b |
14 | 14c12827 |
15 | c708413 |
hex | 87738c3 |
142031043 has 64 divisors (see below), whose sum is σ = 267494400. Its totient is φ = 72334080.
The previous prime is 142031017. The next prime is 142031059. The reversal of 142031043 is 340130241.
142031043 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 142031043 - 217 = 141899971 is a prime.
It is not an unprimeable number, because it can be changed into a prime (142031143) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 109543 + ... + 110831.
It is an arithmetic number, because the mean of its divisors is an integer number (4179600).
Almost surely, 2142031043 is an apocalyptic number.
142031043 is a deficient number, since it is larger than the sum of its proper divisors (125463357).
142031043 is a wasteful number, since it uses less digits than its factorization.
142031043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1369 (or 1363 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 142031043 is about 11917.6777519784. The cubic root of 142031043 is about 521.7483593558.
Adding to 142031043 its reverse (340130241), we get a palindrome (482161284).
The spelling of 142031043 in words is "one hundred forty-two million, thirty-one thousand, forty-three".
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