Base | Representation |
---|---|
bin | 10001000011110… |
… | …11011101010100 |
3 | 100222021211210012 |
4 | 20201323131110 |
5 | 243114041040 |
6 | 22111215352 |
7 | 3355301132 |
oct | 1041733524 |
9 | 328254705 |
10 | 143112020 |
11 | 738681a7 |
12 | 3bb17558 |
13 | 2385998c |
14 | 15014752 |
15 | c86d865 |
hex | 887b754 |
143112020 has 12 divisors (see below), whose sum is σ = 300535284. Its totient is φ = 57244800.
The previous prime is 143112019. The next prime is 143112059. The reversal of 143112020 is 20211341.
143112020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 39967684 + 103144336 = 6322^2 + 10156^2 .
It is a junction number, because it is equal to n+sod(n) for n = 143111986 and 143112004.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3577781 + ... + 3577820.
It is an arithmetic number, because the mean of its divisors is an integer number (25044607).
Almost surely, 2143112020 is an apocalyptic number.
143112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
143112020 is an abundant number, since it is smaller than the sum of its proper divisors (157423264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143112020 is a wasteful number, since it uses less digits than its factorization.
143112020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7155610 (or 7155608 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 143112020 is about 11962.9436176888. The cubic root of 143112020 is about 523.0686649947.
Adding to 143112020 its reverse (20211341), we get a palindrome (163323361).
The spelling of 143112020 in words is "one hundred forty-three million, one hundred twelve thousand, twenty".
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