Base | Representation |
---|---|
bin | 1110001001110001101… |
… | …0110110101100001110 |
3 | 212020121000102102112012 |
4 | 3202130122312230032 |
5 | 12440423432012110 |
6 | 303410442341222 |
7 | 23365203521240 |
oct | 3423432665416 |
9 | 766530372465 |
10 | 243142454030 |
11 | 94130638493 |
12 | 3b157aba812 |
13 | 19c0b442298 |
14 | baa7b78090 |
15 | 64d0c8d905 |
hex | 389c6b6b0e |
243142454030 has 64 divisors (see below), whose sum is σ = 505586810880. Its totient is φ = 82463280000.
The previous prime is 243142453999. The next prime is 243142454033. The reversal of 243142454030 is 30454241342.
243142454030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (243142454033) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8122631 + ... + 8152509.
It is an arithmetic number, because the mean of its divisors is an integer number (7899793920).
Almost surely, 2243142454030 is an apocalyptic number.
243142454030 is an abundant number, since it is smaller than the sum of its proper divisors (262444356850).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
243142454030 is a wasteful number, since it uses less digits than its factorization.
243142454030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31145.
The product of its (nonzero) digits is 46080, while the sum is 32.
Adding to 243142454030 its reverse (30454241342), we get a palindrome (273596695372).
The spelling of 243142454030 in words is "two hundred forty-three billion, one hundred forty-two million, four hundred fifty-four thousand, thirty".
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