Base | Representation |
---|---|
bin | 1000010011101100010… |
… | …0100101101011010111 |
3 | 111122101202020011202201 |
4 | 2010323010211223113 |
5 | 4314300043320130 |
6 | 145322243345331 |
7 | 13211600210464 |
oct | 2047304455327 |
9 | 448352204681 |
10 | 142724979415 |
11 | 55590591547 |
12 | 237b2382247 |
13 | 105c72b3455 |
14 | 6c9d4c466b |
15 | 3aa508cbca |
hex | 213b125ad7 |
142724979415 has 16 divisors (see below), whose sum is σ = 171795492000. Its totient is φ = 113829793792.
The previous prime is 142724979403. The next prime is 142724979431. The reversal of 142724979415 is 514979427241.
142724979415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 142724979415 - 219 = 142724455127 is a prime.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 11376216 + ... + 11388754.
It is an arithmetic number, because the mean of its divisors is an integer number (10737218250).
Almost surely, 2142724979415 is an apocalyptic number.
142724979415 is a deficient number, since it is larger than the sum of its proper divisors (29070512585).
142724979415 is a wasteful number, since it uses less digits than its factorization.
142724979415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19346.
The product of its digits is 5080320, while the sum is 55.
The spelling of 142724979415 in words is "one hundred forty-two billion, seven hundred twenty-four million, nine hundred seventy-nine thousand, four hundred fifteen".
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