Base | Representation |
---|---|
bin | 11010010111111000… |
… | …001001011010110101 |
3 | 2201002112002110022211 |
4 | 122113320021122311 |
5 | 430443334211122 |
6 | 21001542253421 |
7 | 2021513011564 |
oct | 322770113265 |
9 | 81075073284 |
10 | 28317882037 |
11 | 110117849a5 |
12 | 55a3727271 |
13 | 2893a39c23 |
14 | 1528c99bdb |
15 | b0b108877 |
hex | 697e096b5 |
28317882037 has 8 divisors (see below), whose sum is σ = 28757600640. Its totient is φ = 27880195200.
The previous prime is 28317882029. The next prime is 28317882041. The reversal of 28317882037 is 73028871382.
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 28317882037 - 23 = 28317882029 is a prime.
It is a super-2 number, since 2×283178820372 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28317880037) 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, 479839 + ... + 535612.
It is an arithmetic number, because the mean of its divisors is an integer number (3594700080).
Almost surely, 228317882037 is an apocalyptic number.
It is an amenable number.
28317882037 is a deficient number, since it is larger than the sum of its proper divisors (439718603).
28317882037 is a wasteful number, since it uses less digits than its factorization.
28317882037 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1015883.
The product of its (nonzero) digits is 903168, while the sum is 49.
The spelling of 28317882037 in words is "twenty-eight billion, three hundred seventeen million, eight hundred eighty-two thousand, thirty-seven".
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