Base | Representation |
---|---|
bin | 1000010100010010101… |
… | …0010010100010110011 |
3 | 111122210221221121221210 |
4 | 2011010222102202303 |
5 | 4320112234414314 |
6 | 145350231451203 |
7 | 13215562514622 |
oct | 2050452224263 |
9 | 448727847853 |
10 | 142885857459 |
11 | 55663383604 |
12 | 23838226b03 |
13 | 10621720767 |
14 | 6cb6a016b9 |
15 | 3ab426a559 |
hex | 2144a928b3 |
142885857459 has 16 divisors (see below), whose sum is σ = 190925546240. Its totient is φ = 95051841120.
The previous prime is 142885857403. The next prime is 142885857473. The reversal of 142885857459 is 954758588241.
It is not a de Polignac number, because 142885857459 - 217 = 142885726387 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 142885857459.
It is not an unprimeable number, because it can be changed into a prime (142885853459) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4570122 + ... + 4601280.
It is an arithmetic number, because the mean of its divisors is an integer number (11932846640).
Almost surely, 2142885857459 is an apocalyptic number.
142885857459 is a deficient number, since it is larger than the sum of its proper divisors (48039688781).
142885857459 is a wasteful number, since it uses less digits than its factorization.
142885857459 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34410.
The product of its digits is 129024000, while the sum is 66.
The spelling of 142885857459 in words is "one hundred forty-two billion, eight hundred eighty-five million, eight hundred fifty-seven thousand, four hundred fifty-nine".
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