Base | Representation |
---|---|
bin | 10001000111101… |
… | …10100000011111 |
3 | 101000020110011021 |
4 | 20203312200133 |
5 | 243231203111 |
6 | 22130105011 |
7 | 3362500426 |
oct | 1043664037 |
9 | 330213137 |
10 | 143616031 |
11 | 74081939 |
12 | 4011b167 |
13 | 239a5200 |
14 | 151062bd |
15 | c91cd71 |
hex | 88f681f |
143616031 has 12 divisors (see below), whose sum is σ = 157716720. Its totient is φ = 130690560.
The previous prime is 143616029. The next prime is 143616073. The reversal of 143616031 is 130616341.
It is a happy number.
143616031 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 143616031 - 21 = 143616029 is a prime.
It is a super-2 number, since 2×1436160312 = 41251128720385922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 143615987 and 143616005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143610031) 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, 6015 + ... + 17983.
It is an arithmetic number, because the mean of its divisors is an integer number (13143060).
Almost surely, 2143616031 is an apocalyptic number.
143616031 is a deficient number, since it is larger than the sum of its proper divisors (14100689).
143616031 is a wasteful number, since it uses less digits than its factorization.
143616031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12066 (or 12053 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 25.
The square root of 143616031 is about 11983.9906124796. The cubic root of 143616031 is about 523.6819921836.
The spelling of 143616031 in words is "one hundred forty-three million, six hundred sixteen thousand, thirty-one".
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