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142255636013 = 1733724830797
BaseRepresentation
bin1000010001111100011…
…0001011111000101101
3111121012001002001122202
42010133012023320231
54312314420323023
6145203515551245
713164140645411
oct2043706137055
9447161061582
10142255636013
115536a663937
12236a115b525
1310550ca316a
146c5702cd41
153a78c7d128
hex211f18be2d

142255636013 has 8 divisors (see below), whose sum is σ = 151070575032. Its totient is φ = 133490359296.

The previous prime is 142255635989. The next prime is 142255636051. The reversal of 142255636013 is 310636552241.

142255636013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 56721614569 + 85534021444 = 238163^2 + 292462^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142255636013 - 216 = 142255570477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142255636073) 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 7 ways as a sum of consecutive naturals, for example, 12409670 + ... + 12421127.

It is an arithmetic number, because the mean of its divisors is an integer number (18883821879).

Almost surely, 2142255636013 is an apocalyptic number.

It is an amenable number.

142255636013 is a deficient number, since it is larger than the sum of its proper divisors (8814939019).

142255636013 is a wasteful number, since it uses less digits than its factorization.

142255636013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24831151.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 142255636013 in words is "one hundred forty-two billion, two hundred fifty-five million, six hundred thirty-six thousand, thirteen".

Divisors: 1 17 337 5729 24830797 422123549 8367978589 142255636013