Base | Representation |
---|---|
bin | 1000010101100011010… |
… | …1110100011100100111 |
3 | 111200200120000121020212 |
4 | 2011120311310130213 |
5 | 4321310423033411 |
6 | 145444004250035 |
7 | 13230143343020 |
oct | 2053065643447 |
9 | 450616017225 |
10 | 143224424231 |
11 | 558174a9859 |
12 | 239116a091b |
13 | 10676902925 |
14 | 6d09973c47 |
15 | 3ad3d4668b |
hex | 2158d74727 |
143224424231 has 16 divisors (see below), whose sum is σ = 166935345984. Its totient is φ = 120330572544.
The previous prime is 143224424219. The next prime is 143224424269. The reversal of 143224424231 is 132424422341.
It is a happy number.
143224424231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a de Polignac number, because none of the positive numbers 2k-143224424231 is a prime.
It is a super-2 number, since 2×1432244242312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143224424201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196385 + ... + 570101.
It is an arithmetic number, because the mean of its divisors is an integer number (10433459124).
Almost surely, 2143224424231 is an apocalyptic number.
143224424231 is a deficient number, since it is larger than the sum of its proper divisors (23710921753).
143224424231 is a wasteful number, since it uses less digits than its factorization.
143224424231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 374810.
The product of its digits is 36864, while the sum is 32.
Adding to 143224424231 its reverse (132424422341), we get a palindrome (275648846572).
The spelling of 143224424231 in words is "one hundred forty-three billion, two hundred twenty-four million, four hundred twenty-four thousand, two hundred thirty-one".
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