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142724979415 = 5353644912539
BaseRepresentation
bin1000010011101100010…
…0100101101011010111
3111122101202020011202201
42010323010211223113
54314300043320130
6145322243345331
713211600210464
oct2047304455327
9448352204681
10142724979415
1155590591547
12237b2382247
13105c72b3455
146c9d4c466b
153aa508cbca
hex213b125ad7

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".

Divisors: 1 5 353 1765 6449 12539 32245 62695 2276497 4426267 11382485 22131335 80864011 404320055 28544995883 142724979415