Base | Representation |
---|---|
bin | 11010100010110000… |
… | …001111111001101111 |
3 | 2201120020110100011002 |
4 | 122202300033321233 |
5 | 431332043021230 |
6 | 21032021350515 |
7 | 2026160032643 |
oct | 324260177157 |
9 | 81506410132 |
10 | 28500360815 |
11 | 110a578aa03 |
12 | 563486843b |
13 | 28c279b134 |
14 | 15451dac23 |
15 | b1c151545 |
hex | 6a2c0fe6f |
28500360815 has 8 divisors (see below), whose sum is σ = 34214957280. Its totient is φ = 22790605792.
The previous prime is 28500360731. The next prime is 28500360881. The reversal of 28500360815 is 51806300582.
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 28500360815 - 212 = 28500356719 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, 1197395 + ... + 1220964.
It is an arithmetic number, because the mean of its divisors is an integer number (4276869660).
Almost surely, 228500360815 is an apocalyptic number.
28500360815 is a deficient number, since it is larger than the sum of its proper divisors (5714596465).
28500360815 is a wasteful number, since it uses less digits than its factorization.
28500360815 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2420721.
The product of its (nonzero) digits is 57600, while the sum is 38.
The spelling of 28500360815 in words is "twenty-eight billion, five hundred million, three hundred sixty thousand, eight hundred fifteen".
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