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2825028569 = 11256820779
BaseRepresentation
bin1010100001100010…
…1000001111011001
321021212210022122202
42220120220033121
521241201403234
61144154055545
7130002226616
oct25030501731
97255708582
102825028569
11121a722860
1266a11a5b5
1336038144c
141cb29b50d
1511803077e
hexa86283d9

2825028569 has 4 divisors (see below), whose sum is σ = 3081849360. Its totient is φ = 2568207780.

The previous prime is 2825028541. The next prime is 2825028581. The reversal of 2825028569 is 9658205282.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2825028569 - 228 = 2556593113 is a prime.

It is a super-2 number, since 2×28250285692 = 15961572831332375522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2825028529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128410379 + ... + 128410400.

It is an arithmetic number, because the mean of its divisors is an integer number (770462340).

Almost surely, 22825028569 is an apocalyptic number.

It is an amenable number.

2825028569 is a deficient number, since it is larger than the sum of its proper divisors (256820791).

2825028569 is a wasteful number, since it uses less digits than its factorization.

2825028569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256820790.

The product of its (nonzero) digits is 691200, while the sum is 47.

The square root of 2825028569 is about 53150.9978175387. The cubic root of 2825028569 is about 1413.6469093968.

The spelling of 2825028569 in words is "two billion, eight hundred twenty-five million, twenty-eight thousand, five hundred sixty-nine".

Divisors: 1 11 256820779 2825028569