Base | Representation |
---|---|
bin | 100000010110000100011000… |
… | …100001110111101110110111 |
3 | 200122200100111110211020202101 |
4 | 200112010120201313232313 |
5 | 122121142214433434111 |
6 | 1222314332433522531 |
7 | 41651341211422015 |
oct | 4026043041675667 |
9 | 618610443736671 |
10 | 142254023343031 |
11 | 41365657693466 |
12 | 13b55948713447 |
13 | 614b65c7392b2 |
14 | 271b1baa5b8b5 |
15 | 116a548619bc1 |
hex | 816118877bb7 |
142254023343031 has 4 divisors (see below), whose sum is σ = 142254049143064. Its totient is φ = 142253997543000.
The previous prime is 142254023342819. The next prime is 142254023343083. The reversal of 142254023343031 is 130343320452241.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 142254023343031 - 223 = 142254014954423 is a prime.
It is a super-2 number, since 2×1422540233430312 (a number of 29 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 (142254023343631) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 922365 + ... + 16892566.
It is an arithmetic number, because the mean of its divisors is an integer number (35563512285766).
Almost surely, 2142254023343031 is an apocalyptic number.
142254023343031 is a deficient number, since it is larger than the sum of its proper divisors (25800033).
142254023343031 is an equidigital number, since it uses as much as digits as its factorization.
142254023343031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25800032.
The product of its (nonzero) digits is 207360, while the sum is 37.
Adding to 142254023343031 its reverse (130343320452241), we get a palindrome (272597343795272).
The spelling of 142254023343031 in words is "one hundred forty-two trillion, two hundred fifty-four billion, twenty-three million, three hundred forty-three thousand, thirty-one".
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