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28333611085 = 5131741625397
BaseRepresentation
bin11010011000110100…
…001001100001001101
32201010121200120112011
4122120310021201031
5431011401023320
621003303341221
72022063502063
oct323064114115
981117616464
1028333611085
111101a64840a
1255a8a51811
132897086360
14152add2033
15b0c6b405a
hex698d0984d

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".

Divisors: 1 5 13 17 41 65 85 205 221 533 697 1105 2665 3485 9061 45305 625397 3126985 8130161 10631749 25641277 40650805 53158745 128206385 138212737 333336601 435901709 691063685 1666683005 2179508545 5666722217 28333611085