Base | Representation |
---|---|
bin | 1000010001100010101… |
… | …1110111110101110100 |
3 | 111120220112200101111122 |
4 | 2010120223313311310 |
5 | 4312104401343433 |
6 | 145145114323112 |
7 | 13161363462152 |
oct | 2043053676564 |
9 | 446815611448 |
10 | 142148074868 |
11 | 55314978628 |
12 | 23671129498 |
13 | 10534912c07 |
14 | 6c46a303d2 |
15 | 3a6e5d3198 |
hex | 2118af7d74 |
142148074868 has 12 divisors (see below), whose sum is σ = 249269933472. Its totient is φ = 70928093880.
The previous prime is 142148074853. The next prime is 142148074879. The reversal of 142148074868 is 868470841241.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36483698 + ... + 36487593.
It is an arithmetic number, because the mean of its divisors is an integer number (20772494456).
Almost surely, 2142148074868 is an apocalyptic number.
It is an amenable number.
142148074868 is a deficient number, since it is larger than the sum of its proper divisors (107121858604).
142148074868 is a wasteful number, since it uses less digits than its factorization.
142148074868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72971782 (or 72971780 counting only the distinct ones).
The product of its (nonzero) digits is 2752512, while the sum is 53.
The spelling of 142148074868 in words is "one hundred forty-two billion, one hundred forty-eight million, seventy-four thousand, eight hundred sixty-eight".
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