Base | Representation |
---|---|
bin | 1000010010101000101… |
… | …0011110100011011111 |
3 | 111121122222110022002001 |
4 | 2010222022132203133 |
5 | 4313204433413211 |
6 | 145234151343131 |
7 | 13201554106300 |
oct | 2045212364337 |
9 | 447588408061 |
10 | 142441310431 |
11 | 55455451872 |
12 | 23733381aa7 |
13 | 105805b2a94 |
14 | 6c739627a7 |
15 | 3a8a207ac1 |
hex | 212a29e8df |
142441310431 has 12 divisors (see below), whose sum is σ = 166889107560. Its totient is φ = 121214182320.
The previous prime is 142441310383. The next prime is 142441310437. The reversal of 142441310431 is 134013144241.
142441310431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 142441310431 - 29 = 142441309919 is a prime.
It is a super-2 number, since 2×1424413104312 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 142441310431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142441310437) 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 11 ways as a sum of consecutive naturals, for example, 10449900 + ... + 10463521.
It is an arithmetic number, because the mean of its divisors is an integer number (13907425630).
Almost surely, 2142441310431 is an apocalyptic number.
142441310431 is a deficient number, since it is larger than the sum of its proper divisors (24447797129).
142441310431 is a wasteful number, since it uses less digits than its factorization.
142441310431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20913574 (or 20913567 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 28.
Adding to 142441310431 its reverse (134013144241), we get a palindrome (276454454672).
The spelling of 142441310431 in words is "one hundred forty-two billion, four hundred forty-one million, three hundred ten thousand, four hundred thirty-one".
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