Base | Representation |
---|---|
bin | 1000010101001101100… |
… | …1111101000001001111 |
3 | 111200110012102121201102 |
4 | 2011103121331001033 |
5 | 4321114101430411 |
6 | 145430545533315 |
7 | 13224655260032 |
oct | 2052331750117 |
9 | 450405377642 |
10 | 143133233231 |
11 | 5577aa8469a |
12 | 238a704423b |
13 | 10660a54861 |
14 | 6cdb7d7019 |
15 | 3acad31d3b |
hex | 215367d04f |
143133233231 has 8 divisors (see below), whose sum is σ = 148123854384. Its totient is φ = 138201672960.
The previous prime is 143133233209. The next prime is 143133233239. The reversal of 143133233231 is 132332331341.
143133233231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 143133233231 - 218 = 143132971087 is a prime.
It is a super-2 number, since 2×1431332332312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 143133233194 and 143133233203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143133233239) 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 7 ways as a sum of consecutive naturals, for example, 14760290 + ... + 14769983.
It is an arithmetic number, because the mean of its divisors is an integer number (18515481798).
Almost surely, 2143133233231 is an apocalyptic number.
143133233231 is a deficient number, since it is larger than the sum of its proper divisors (4990621153).
143133233231 is a wasteful number, since it uses less digits than its factorization.
143133233231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29530441.
The product of its digits is 11664, while the sum is 29.
Adding to 143133233231 its reverse (132332331341), we get a palindrome (275465564572).
The spelling of 143133233231 in words is "one hundred forty-three billion, one hundred thirty-three million, two hundred thirty-three thousand, two hundred thirty-one".
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