Base | Representation |
---|---|
bin | 10001000011111… |
… | …10101001000000 |
3 | 100222022111200000 |
4 | 20201332221000 |
5 | 243120000211 |
6 | 22111400000 |
7 | 3355354134 |
oct | 1041765100 |
9 | 328274600 |
10 | 143125056 |
11 | 73876a78 |
12 | 3bb23000 |
13 | 238628a9 |
14 | 150193c4 |
15 | c872656 |
hex | 887ea40 |
143125056 has 84 divisors (see below), whose sum is σ = 425482512. Its totient is φ = 47703168.
The previous prime is 143125033. The next prime is 143125061. The reversal of 143125056 is 650521341.
143125056 is a `hidden beast` number, since 143 + 12 + 505 + 6 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
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 11 ways as a sum of consecutive naturals, for example, 10951 + ... + 20153.
It is an arithmetic number, because the mean of its divisors is an integer number (5065268).
Almost surely, 2143125056 is an apocalyptic number.
143125056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 143125056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212741256).
143125056 is an abundant number, since it is smaller than the sum of its proper divisors (282357456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143125056 is an frugal number, since it uses more digits than its factorization.
143125056 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9230 (or 9208 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
The square root of 143125056 is about 11963.4884544601. The cubic root of 143125056 is about 523.0845465307.
Adding to 143125056 its reverse (650521341), we get a palindrome (793646397).
The spelling of 143125056 in words is "one hundred forty-three million, one hundred twenty-five thousand, fifty-six".
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