Base | Representation |
---|---|
bin | 11010001010000101… |
… | …000100100110101111 |
3 | 2200111101111101210211 |
4 | 122022011010212233 |
5 | 430010103423132 |
6 | 20522552443251 |
7 | 2013002240344 |
oct | 321205044657 |
9 | 80441441724 |
10 | 28086389167 |
11 | 10a03041981 |
12 | 553a0a9527 |
13 | 2857aa72b5 |
14 | 150623a7cb |
15 | ae5b2d147 |
hex | 68a1449af |
28086389167 has 8 divisors (see below), whose sum is σ = 28142376192. Its totient is φ = 28030431000.
The previous prime is 28086389153. The next prime is 28086389179. The reversal of 28086389167 is 76198368082.
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 28086389167 - 215 = 28086356399 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28086389147) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3924042 + ... + 3931192.
It is an arithmetic number, because the mean of its divisors is an integer number (3517797024).
Almost surely, 228086389167 is an apocalyptic number.
28086389167 is a deficient number, since it is larger than the sum of its proper divisors (55987025).
28086389167 is an equidigital number, since it uses as much as digits as its factorization.
28086389167 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14429.
The product of its (nonzero) digits is 6967296, while the sum is 58.
The spelling of 28086389167 in words is "twenty-eight billion, eighty-six million, three hundred eighty-nine thousand, one hundred sixty-seven".
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