Base | Representation |
---|---|
bin | 11010001001010101… |
… | …001001001011010001 |
3 | 2200110111212001222110 |
4 | 122021111021023101 |
5 | 424443344344402 |
6 | 20521423255533 |
7 | 2012460401142 |
oct | 321125111321 |
9 | 80414761873 |
10 | 28073824977 |
11 | 109a6a40250 |
12 | 5535a4a5a9 |
13 | 28552c8573 |
14 | 15046c9ac9 |
15 | ae499a56c |
hex | 6895492d1 |
28073824977 has 32 divisors (see below), whose sum is σ = 41251262976. Its totient is φ = 16841260800.
The previous prime is 28073824949. The next prime is 28073824981. The reversal of 28073824977 is 77942837082.
It is not a de Polignac number, because 28073824977 - 28 = 28073824721 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28073824577) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3019578 + ... + 3028860.
It is an arithmetic number, because the mean of its divisors is an integer number (1289101968).
Almost surely, 228073824977 is an apocalyptic number.
It is an amenable number.
28073824977 is a deficient number, since it is larger than the sum of its proper divisors (13177437999).
28073824977 is a wasteful number, since it uses less digits than its factorization.
28073824977 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10221.
The product of its (nonzero) digits is 9483264, while the sum is 57.
The spelling of 28073824977 in words is "twenty-eight billion, seventy-three million, eight hundred twenty-four thousand, nine hundred seventy-seven".
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