Base | Representation |
---|---|
bin | 11010001000010000… |
… | …100101000101110110 |
3 | 2200102021000220211202 |
4 | 122020100211011312 |
5 | 424424244221012 |
6 | 20515542132502 |
7 | 2012151542036 |
oct | 321020450566 |
9 | 80367026752 |
10 | 28055851382 |
11 | 10997884439 |
12 | 552ba21132 |
13 | 28516745c0 |
14 | 150216b8c6 |
15 | ae30e9cc2 |
hex | 688425176 |
28055851382 has 16 divisors (see below), whose sum is σ = 45392841312. Its totient is φ = 12928325760.
The previous prime is 28055851381. The next prime is 28055851429. The reversal of 28055851382 is 28315855082.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28055851381) 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, 838643 + ... + 871454.
It is an arithmetic number, because the mean of its divisors is an integer number (2837052582).
Almost surely, 228055851382 is an apocalyptic number.
28055851382 is a deficient number, since it is larger than the sum of its proper divisors (17336989930).
28055851382 is a wasteful number, since it uses less digits than its factorization.
28055851382 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1710743.
The product of its (nonzero) digits is 768000, while the sum is 47.
The spelling of 28055851382 in words is "twenty-eight billion, fifty-five million, eight hundred fifty-one thousand, three hundred eighty-two".
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