Base | Representation |
---|---|
bin | 11001111010101111… |
… | …000000110110010111 |
3 | 2122211110002001102200 |
4 | 121322233000312113 |
5 | 423443202322000 |
6 | 20441234535543 |
7 | 2003425105164 |
oct | 317257006627 |
9 | 78743061380 |
10 | 27828948375 |
11 | 10890796898 |
12 | 5487a375b3 |
13 | 281665ab77 |
14 | 14bdd8506b |
15 | acd229500 |
hex | 67abc0d97 |
27828948375 has 48 divisors (see below), whose sum is σ = 50683694880. Its totient is φ = 14689036800.
The previous prime is 27828948373. The next prime is 27828948379. The reversal of 27828948375 is 57384982872.
27828948375 is a `hidden beast` number, since 2 + 7 + 8 + 2 + 89 + 483 + 75 = 666.
It is not a de Polignac number, because 27828948375 - 21 = 27828948373 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27828948373) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18385 + ... + 236634.
It is an arithmetic number, because the mean of its divisors is an integer number (1055910310).
Almost surely, 227828948375 is an apocalyptic number.
27828948375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
27828948375 is a deficient number, since it is larger than the sum of its proper divisors (22854746505).
27828948375 is a wasteful number, since it uses less digits than its factorization.
27828948375 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 255137 (or 255124 counting only the distinct ones).
The product of its digits is 54190080, while the sum is 63.
The spelling of 27828948375 in words is "twenty-seven billion, eight hundred twenty-eight million, nine hundred forty-eight thousand, three hundred seventy-five".
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