Base | Representation |
---|---|
bin | 11011100011011… |
… | …11001001111010 |
3 | 121002221020020012 |
4 | 31301233021322 |
5 | 433133021020 |
6 | 34534101522 |
7 | 5504450261 |
oct | 1561571172 |
9 | 532836205 |
10 | 231142010 |
11 | 109523460 |
12 | 654aa8a2 |
13 | 38b6c028 |
14 | 229ab5d8 |
15 | 1545b7c5 |
hex | dc6f27a |
231142010 has 64 divisors (see below), whose sum is σ = 474211584. Its totient is φ = 80371200.
The previous prime is 231142007. The next prime is 231142031. The reversal of 231142010 is 10241132.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 238547 + ... + 239513.
It is an arithmetic number, because the mean of its divisors is an integer number (7409556).
Almost surely, 2231142010 is an apocalyptic number.
231142010 is an abundant number, since it is smaller than the sum of its proper divisors (243069574).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231142010 is a wasteful number, since it uses less digits than its factorization.
231142010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1079.
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 231142010 is about 15203.3552217923. The cubic root of 231142010 is about 613.7049532575.
Adding to 231142010 its reverse (10241132), we get a palindrome (241383142).
It can be divided in two parts, 231 and 142010, that added together give a palindrome (142241).
The spelling of 231142010 in words is "two hundred thirty-one million, one hundred forty-two thousand, ten".
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