Base | Representation |
---|---|
bin | 11010110101011001… |
… | …100100100010011000 |
3 | 2202101001002100200200 |
4 | 122311121210202120 |
5 | 433002133330003 |
6 | 21123034302200 |
7 | 2040006005232 |
oct | 326531444230 |
9 | 82331070620 |
10 | 28813183128 |
11 | 11246321a44 |
12 | 5701587960 |
13 | 29425382b2 |
14 | 157498b252 |
15 | b398446a3 |
hex | 6b5664898 |
28813183128 has 48 divisors (see below), whose sum is σ = 78043628520. Its totient is φ = 9603419136.
The previous prime is 28813183127. The next prime is 28813183129. The reversal of 28813183128 is 82138131882.
28813183128 is a `hidden beast` number, since 288 + 1 + 318 + 31 + 28 = 666.
It is an interprime number because it is at equal distance from previous prime (28813183127) and next prime (28813183129).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28813183127) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1195000 + ... + 1218872.
Almost surely, 228813183128 is an apocalyptic number.
It is an amenable number.
28813183128 is an abundant number, since it is smaller than the sum of its proper divisors (49230445392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28813183128 is a wasteful number, since it uses less digits than its factorization.
28813183128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40648 (or 40641 counting only the distinct ones).
The product of its digits is 147456, while the sum is 45.
The spelling of 28813183128 in words is "twenty-eight billion, eight hundred thirteen million, one hundred eighty-three thousand, one hundred twenty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •