Base | Representation |
---|---|
bin | 10001000011110… |
… | …11001111011010 |
3 | 100222021210120020 |
4 | 20201323033122 |
5 | 243114024010 |
6 | 22111211310 |
7 | 3355265421 |
oct | 1041731732 |
9 | 328253506 |
10 | 143111130 |
11 | 73867568 |
12 | 3bb16b36 |
13 | 23859456 |
14 | 150142b8 |
15 | c86d470 |
hex | 887b3da |
143111130 has 32 divisors (see below), whose sum is σ = 349951104. Its totient is φ = 37442496.
The previous prime is 143111113. The next prime is 143111131. The reversal of 143111130 is 31111341.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is not an unprimeable number, because it can be changed into a prime (143111131) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43414 + ... + 46593.
It is an arithmetic number, because the mean of its divisors is an integer number (10935972).
Almost surely, 2143111130 is an apocalyptic number.
143111130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
143111130 is an abundant number, since it is smaller than the sum of its proper divisors (206839974).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143111130 is a wasteful number, since it uses less digits than its factorization.
143111130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90070.
The product of its (nonzero) digits is 36, while the sum is 15.
The square root of 143111130 is about 11962.9064194283. The cubic root of 143111130 is about 523.0675806878.
Adding to 143111130 its reverse (31111341), we get a palindrome (174222471).
It can be divided in two parts, 1431 and 11130, that added together give a triangular number (12561 = T158).
The spelling of 143111130 in words is "one hundred forty-three million, one hundred eleven thousand, one hundred thirty".
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