Base | Representation |
---|---|
bin | 11010011000110100… |
… | …001001100001001101 |
3 | 2201010121200120112011 |
4 | 122120310021201031 |
5 | 431011401023320 |
6 | 21003303341221 |
7 | 2022063502063 |
oct | 323064114115 |
9 | 81117616464 |
10 | 28333611085 |
11 | 1101a64840a |
12 | 55a8a51811 |
13 | 2897086360 |
14 | 152add2033 |
15 | b0c6b405a |
hex | 698d0984d |
28333611085 has 32 divisors (see below), whose sum is σ = 39715274592. Its totient is φ = 19212165120.
The previous prime is 28333611037. The next prime is 28333611121. The reversal of 28333611085 is 58011633382.
It can be written as a sum of positive squares in 16 ways, for example, as 22688493129 + 5645117956 = 150627^2 + 75134^2 .
It is not a de Polignac number, because 28333611085 - 29 = 28333610573 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267394 + ... + 358003.
It is an arithmetic number, because the mean of its divisors is an integer number (1241102331).
Almost surely, 228333611085 is an apocalyptic number.
It is an amenable number.
28333611085 is a deficient number, since it is larger than the sum of its proper divisors (11381663507).
28333611085 is a wasteful number, since it uses less digits than its factorization.
28333611085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 625473.
The product of its (nonzero) digits is 103680, while the sum is 40.
The spelling of 28333611085 in words is "twenty-eight billion, three hundred thirty-three million, six hundred eleven thousand, eighty-five".
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