Base | Representation |
---|---|
bin | 10000111011100… |
… | …11001110001111 |
3 | 100220020212010200 |
4 | 20131303032033 |
5 | 242324422321 |
6 | 22032104543 |
7 | 3343142535 |
oct | 1035631617 |
9 | 326225120 |
10 | 142029711 |
11 | 7319902a |
12 | 3b695153 |
13 | 2356b165 |
14 | 14c12155 |
15 | c707d26 |
hex | 877338f |
142029711 has 12 divisors (see below), whose sum is σ = 206197992. Its totient is φ = 94204656.
The previous prime is 142029709. The next prime is 142029721. The reversal of 142029711 is 117920241.
It is not a de Polignac number, because 142029711 - 21 = 142029709 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142029721) 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, 38281 + ... + 41826.
It is an arithmetic number, because the mean of its divisors is an integer number (17183166).
Almost surely, 2142029711 is an apocalyptic number.
142029711 is a deficient number, since it is larger than the sum of its proper divisors (64168281).
142029711 is a wasteful number, since it uses less digits than its factorization.
142029711 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80310 (or 80307 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 27.
The square root of 142029711 is about 11917.6218684769. The cubic root of 142029711 is about 521.7467283250.
Adding to 142029711 its reverse (117920241), we get a palindrome (259949952).
The spelling of 142029711 in words is "one hundred forty-two million, twenty-nine thousand, seven hundred eleven".
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