Base | Representation |
---|---|
bin | 1000010010100110010… |
… | …0110010010111111111 |
3 | 111121122021212022212110 |
4 | 2010221210302113333 |
5 | 4313144421231033 |
6 | 145233155505103 |
7 | 13201404115632 |
oct | 2045144622777 |
9 | 447567768773 |
10 | 142431430143 |
11 | 5544a913642 |
12 | 2372bbb8193 |
13 | 1057b533862 |
14 | 6c7250dc19 |
15 | 3a89405363 |
hex | 21299325ff |
142431430143 has 8 divisors (see below), whose sum is σ = 190609344256. Its totient is φ = 94603901400.
The previous prime is 142431430133. The next prime is 142431430187. The reversal of 142431430143 is 341034134241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 142431430143 - 28 = 142431429887 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 142431430143.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142431430133) 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, 87595393 + ... + 87597018.
It is an arithmetic number, because the mean of its divisors is an integer number (23826168032).
Almost surely, 2142431430143 is an apocalyptic number.
142431430143 is a deficient number, since it is larger than the sum of its proper divisors (48177914113).
142431430143 is a wasteful number, since it uses less digits than its factorization.
142431430143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 175192685.
The product of its (nonzero) digits is 13824, while the sum is 30.
Adding to 142431430143 its reverse (341034134241), we get a palindrome (483465564384).
The spelling of 142431430143 in words is "one hundred forty-two billion, four hundred thirty-one million, four hundred thirty thousand, one hundred forty-three".
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