Base | Representation |
---|---|
bin | 1100110011100100010101… |
… | …01000110000100100011111 |
3 | 10200201002012222120121222210 |
4 | 12121302022220300210133 |
5 | 12142333422133024322 |
6 | 135520330312411503 |
7 | 5634334211431551 |
oct | 631621250604437 |
9 | 120632188517883 |
10 | 28160131533087 |
11 | 8a77710132164 |
12 | 31a97570a6b93 |
13 | 1293648479028 |
14 | 6d4d59a8d4d1 |
15 | 33c79a0bb70c |
hex | 199c8aa3091f |
28160131533087 has 32 divisors (see below), whose sum is σ = 39302958182400. Its totient is φ = 17914172002560.
The previous prime is 28160131533059. The next prime is 28160131533089. The reversal of 28160131533087 is 78033513106182.
It is not a de Polignac number, because 28160131533087 - 216 = 28160131467551 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28160131533089) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5518363 + ... + 9315180.
It is an arithmetic number, because the mean of its divisors is an integer number (1228217443200).
Almost surely, 228160131533087 is an apocalyptic number.
28160131533087 is a deficient number, since it is larger than the sum of its proper divisors (11142826649313).
28160131533087 is a wasteful number, since it uses less digits than its factorization.
28160131533087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14833863.
The product of its (nonzero) digits is 725760, while the sum is 48.
The spelling of 28160131533087 in words is "twenty-eight trillion, one hundred sixty billion, one hundred thirty-one million, five hundred thirty-three thousand, eighty-seven".
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