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28058775050 = 2525310588217
BaseRepresentation
bin11010001000011011…
…101110111000001010
32200102110112110100202
4122020123232320022
5424431021300200
620520124532202
72012215436615
oct321033567012
980373473322
1028058775050
11109994a0a99
1255309b1062
132852159297
1415026cd17c
15ae34c61d5
hex6886eee0a

28058775050 has 24 divisors (see below), whose sum is σ = 53174030796. Its totient is φ = 11011744640.

The previous prime is 28058775001. The next prime is 28058775053. The reversal of 28058775050 is 5057785082.

It can be written as a sum of positive squares in 6 ways, for example, as 9431711689 + 18627063361 = 97117^2 + 136481^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28058774986 and 28058775004.

It is not an unprimeable number, because it can be changed into a prime (28058775053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5291459 + ... + 5296758.

Almost surely, 228058775050 is an apocalyptic number.

28058775050 is a deficient number, since it is larger than the sum of its proper divisors (25115255746).

28058775050 is a wasteful number, since it uses less digits than its factorization.

28058775050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10588282 (or 10588277 counting only the distinct ones).

The product of its (nonzero) digits is 784000, while the sum is 47.

The spelling of 28058775050 in words is "twenty-eight billion, fifty-eight million, seven hundred seventy-five thousand, fifty".

Divisors: 1 2 5 10 25 50 53 106 265 530 1325 2650 10588217 21176434 52941085 105882170 264705425 529410850 561175501 1122351002 2805877505 5611755010 14029387525 28058775050