Base | Representation |
---|---|
bin | 11010101001101101… |
… | …001100101111111110 |
3 | 2201212100221022202022 |
4 | 122221231030233332 |
5 | 432101423030412 |
6 | 21051345400142 |
7 | 2032104334442 |
oct | 325155145776 |
9 | 81770838668 |
10 | 28617001982 |
11 | 11155608168 |
12 | 5667939052 |
13 | 29109ba28a |
14 | 15568c0822 |
15 | b274e1a72 |
hex | 6a9b4cbfe |
28617001982 has 16 divisors (see below), whose sum is σ = 45110904432. Its totient is φ = 13598020800.
The previous prime is 28617001967. The next prime is 28617001991. The reversal of 28617001982 is 28910071682.
28617001982 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
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, 4493519 + ... + 4499882.
It is an arithmetic number, because the mean of its divisors is an integer number (2819431527).
Almost surely, 228617001982 is an apocalyptic number.
28617001982 is a deficient number, since it is larger than the sum of its proper divisors (16493902450).
28617001982 is a wasteful number, since it uses less digits than its factorization.
28617001982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8993483.
The product of its (nonzero) digits is 96768, while the sum is 44.
It can be divided in two parts, 2861700 and 1982, that added together give a palindrome (2863682).
The spelling of 28617001982 in words is "twenty-eight billion, six hundred seventeen million, one thousand, nine hundred eighty-two".
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