Base | Representation |
---|---|
bin | 11010011101111000… |
… | …101011110000101011 |
3 | 2201100112202211100202 |
4 | 122131320223300223 |
5 | 431200140422440 |
6 | 21015543022415 |
7 | 2024145562640 |
oct | 323570536053 |
9 | 81315684322 |
10 | 28418685995 |
11 | 11063675457 |
12 | 561143aa0b |
13 | 28ab8a263b |
14 | 1538419dc7 |
15 | b14dbb615 |
hex | 69de2bc2b |
28418685995 has 16 divisors (see below), whose sum is σ = 39017023488. Its totient is φ = 19465686240.
The previous prime is 28418685991. The next prime is 28418686013. The reversal of 28418685995 is 59958681482.
It is not a de Polignac number, because 28418685995 - 22 = 28418685991 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28418685991) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413759 + ... + 477528.
It is an arithmetic number, because the mean of its divisors is an integer number (2438563968).
Almost surely, 228418685995 is an apocalyptic number.
28418685995 is a deficient number, since it is larger than the sum of its proper divisors (10598337493).
28418685995 is an equidigital number, since it uses as much as digits as its factorization.
28418685995 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 892210.
The product of its digits is 49766400, while the sum is 65.
The spelling of 28418685995 in words is "twenty-eight billion, four hundred eighteen million, six hundred eighty-five thousand, nine hundred ninety-five".
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