Base | Representation |
---|---|
bin | 11010111000010100… |
… | …100101011110100011 |
3 | 2202111110100002001020 |
4 | 122320110211132203 |
5 | 433102211123112 |
6 | 21131545140523 |
7 | 2041142501511 |
oct | 327024453643 |
9 | 82443302036 |
10 | 28862207907 |
11 | 11270a66a95 |
12 | 5715a8a743 |
13 | 294c741840 |
14 | 157b2ad4b1 |
15 | b3dcca48c |
hex | 6b85257a3 |
28862207907 has 16 divisors (see below), whose sum is σ = 41452191648. Its totient is φ = 17757492480.
The previous prime is 28862207893. The next prime is 28862207923. The reversal of 28862207907 is 70970226882.
It is not a de Polignac number, because 28862207907 - 210 = 28862206883 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 28862207907.
It is not an unprimeable number, because it can be changed into a prime (28862207107) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106407 + ... + 262767.
It is an arithmetic number, because the mean of its divisors is an integer number (2590761978).
Almost surely, 228862207907 is an apocalyptic number.
28862207907 is a deficient number, since it is larger than the sum of its proper divisors (12589983741).
28862207907 is a wasteful number, since it uses less digits than its factorization.
28862207907 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 161110.
The product of its (nonzero) digits is 1354752, while the sum is 51.
The spelling of 28862207907 in words is "twenty-eight billion, eight hundred sixty-two million, two hundred seven thousand, nine hundred seven".
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