Base | Representation |
---|---|
bin | 11010001100111111… |
… | …011011011101110100 |
3 | 2200121210102100201202 |
4 | 122030333123131310 |
5 | 430110110212323 |
6 | 20531455512032 |
7 | 2014134415256 |
oct | 321477333564 |
9 | 80553370652 |
10 | 28135241588 |
11 | 10a28679483 |
12 | 5552528618 |
13 | 2864c5025c |
14 | 150c915cd6 |
15 | aea07cd28 |
hex | 68cfdb774 |
28135241588 has 24 divisors (see below), whose sum is σ = 49374124800. Its totient is φ = 14028402240.
The previous prime is 28135241531. The next prime is 28135241611. The reversal of 28135241588 is 88514253182.
It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.
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, 2390045 + ... + 2401787.
It is an arithmetic number, because the mean of its divisors is an integer number (2057255200).
Almost surely, 228135241588 is an apocalyptic number.
It is an amenable number.
28135241588 is a deficient number, since it is larger than the sum of its proper divisors (21238883212).
28135241588 is a wasteful number, since it uses less digits than its factorization.
28135241588 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13367 (or 13365 counting only the distinct ones).
The product of its digits is 614400, while the sum is 47.
The spelling of 28135241588 in words is "twenty-eight billion, one hundred thirty-five million, two hundred forty-one thousand, five hundred eighty-eight".
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