Base | Representation |
---|---|
bin | 11010010110000001… |
… | …011000000100001111 |
3 | 2201000100111121221102 |
4 | 122112001120010033 |
5 | 430412401400040 |
6 | 20554511053315 |
7 | 2020654244561 |
oct | 322601300417 |
9 | 81010447842 |
10 | 28286746895 |
11 | 10aa6149680 |
12 | 559521123b |
13 | 288a458374 |
14 | 1524ab3331 |
15 | b08508515 |
hex | 69605810f |
28286746895 has 8 divisors (see below), whose sum is σ = 37029923280. Its totient is φ = 20572179520.
The previous prime is 28286746883. The next prime is 28286746919. The reversal of 28286746895 is 59864768282.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28286746895 - 28 = 28286746639 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257152190 + ... + 257152299.
It is an arithmetic number, because the mean of its divisors is an integer number (4628740410).
Almost surely, 228286746895 is an apocalyptic number.
28286746895 is a deficient number, since it is larger than the sum of its proper divisors (8743176385).
28286746895 is a wasteful number, since it uses less digits than its factorization.
28286746895 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 514304505.
The product of its digits is 92897280, while the sum is 65.
The spelling of 28286746895 in words is "twenty-eight billion, two hundred eighty-six million, seven hundred forty-six thousand, eight hundred ninety-five".
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