Base | Representation |
---|---|
bin | 1000010011100110101… |
… | …1010010001011011011 |
3 | 111122100010011210100100 |
4 | 2010321223102023123 |
5 | 4314223100144411 |
6 | 145320045510443 |
7 | 13211164214661 |
oct | 2047153221333 |
9 | 448303153310 |
10 | 142701568731 |
11 | 55579351777 |
12 | 237a6572423 |
13 | 105c24a7787 |
14 | 6c9a34cc31 |
15 | 3aa2eb6456 |
hex | 2139ad22db |
142701568731 has 24 divisors (see below), whose sum is σ = 206791874640. Its totient is φ = 94826684736.
The previous prime is 142701568699. The next prime is 142701568771. The reversal of 142701568731 is 137865107241.
142701568731 is a `hidden beast` number, since 1 + 427 + 0 + 156 + 8 + 73 + 1 = 666.
142701568731 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 142701568731 - 25 = 142701568699 is a prime.
It is a super-2 number, since 2×1427015687312 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (142701568771) 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 23 ways as a sum of consecutive naturals, for example, 5578336 + ... + 5603858.
It is an arithmetic number, because the mean of its divisors is an integer number (8616328110).
Almost surely, 2142701568731 is an apocalyptic number.
142701568731 is a deficient number, since it is larger than the sum of its proper divisors (64090305909).
142701568731 is a wasteful number, since it uses less digits than its factorization.
142701568731 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27515 (or 27512 counting only the distinct ones).
The product of its (nonzero) digits is 282240, while the sum is 45.
The spelling of 142701568731 in words is "one hundred forty-two billion, seven hundred one million, five hundred sixty-eight thousand, seven hundred thirty-one".
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