Base | Representation |
---|---|
bin | 1000010011111001101… |
… | …0010111000010100100 |
3 | 111122112122200020122002 |
4 | 2010332122113002210 |
5 | 4314403420041101 |
6 | 145332004424432 |
7 | 13213150426211 |
oct | 2047632270244 |
9 | 448478606562 |
10 | 142781018276 |
11 | 5560a187356 |
12 | 238090a8118 |
13 | 10605aa4440 |
14 | 6ca6b10b08 |
15 | 3aa9e5bd6b |
hex | 213e6970a4 |
142781018276 has 24 divisors (see below), whose sum is σ = 284915970360. Its totient is φ = 62022523392.
The previous prime is 142781018201. The next prime is 142781018297. The reversal of 142781018276 is 672810187241.
It can be written as a sum of positive squares in 4 ways, for example, as 3555021376 + 139225996900 = 59624^2 + 373130^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 142781018276.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 80757611 + ... + 80759378.
It is an arithmetic number, because the mean of its divisors is an integer number (11871498765).
Almost surely, 2142781018276 is an apocalyptic number.
It is an amenable number.
142781018276 is a deficient number, since it is larger than the sum of its proper divisors (142134952084).
142781018276 is a wasteful number, since it uses less digits than its factorization.
142781018276 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 161517023 (or 161517021 counting only the distinct ones).
The product of its (nonzero) digits is 301056, while the sum is 47.
The spelling of 142781018276 in words is "one hundred forty-two billion, seven hundred eighty-one million, eighteen thousand, two hundred seventy-six".
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