Base | Representation |
---|---|
bin | 1000010101001000100… |
… | …1000101000010101111 |
3 | 111200101201112111200121 |
4 | 2011102021011002233 |
5 | 4321043140014211 |
6 | 145424511305411 |
7 | 13224310130104 |
oct | 2052211050257 |
9 | 450351474617 |
10 | 143112032431 |
11 | 5576a014175 |
12 | 2389bb1b267 |
13 | 106595409c4 |
14 | 6cd8a78aab |
15 | 3ac9045271 |
hex | 21522450af |
143112032431 has 8 divisors (see below), whose sum is σ = 145821973680. Its totient is φ = 140402451072.
The previous prime is 143112032423. The next prime is 143112032447. The reversal of 143112032431 is 134230211341.
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 143112032431 - 23 = 143112032423 is a prime.
It is a super-2 number, since 2×1431120324312 (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 = 143112032396 and 143112032405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143112032461) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 794356 + ... + 957718.
It is an arithmetic number, because the mean of its divisors is an integer number (18227746710).
Almost surely, 2143112032431 is an apocalyptic number.
143112032431 is a deficient number, since it is larger than the sum of its proper divisors (2709941249).
143112032431 is a wasteful number, since it uses less digits than its factorization.
143112032431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 179945.
The product of its (nonzero) digits is 1728, while the sum is 25.
Adding to 143112032431 its reverse (134230211341), we get a palindrome (277342243772).
The spelling of 143112032431 in words is "one hundred forty-three billion, one hundred twelve million, thirty-two thousand, four hundred thirty-one".
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