Base | Representation |
---|---|
bin | 1000010001100010100… |
… | …1100110000011101111 |
3 | 111120220111120001101220 |
4 | 2010120221212003233 |
5 | 4312104223241433 |
6 | 145145053434423 |
7 | 13161355424235 |
oct | 2043051460357 |
9 | 446814501356 |
10 | 142147477743 |
11 | 553145aaa37 |
12 | 23670a9ba13 |
13 | 1053476419b |
14 | 6c46916955 |
15 | 3a6e5162b3 |
hex | 2118a660ef |
142147477743 has 32 divisors (see below), whose sum is σ = 200312985600. Its totient is φ = 89414521056.
The previous prime is 142147477709. The next prime is 142147477789. The reversal of 142147477743 is 347774741241.
It is not a de Polignac number, because 142147477743 - 212 = 142147473647 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142147477793) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18064896 + ... + 18072762.
It is an arithmetic number, because the mean of its divisors is an integer number (6259780800).
Almost surely, 2142147477743 is an apocalyptic number.
142147477743 is a deficient number, since it is larger than the sum of its proper divisors (58165507857).
142147477743 is a wasteful number, since it uses less digits than its factorization.
142147477743 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9131.
The product of its digits is 3687936, while the sum is 51.
The spelling of 142147477743 in words is "one hundred forty-two billion, one hundred forty-seven million, four hundred seventy-seven thousand, seven hundred forty-three".
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