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28286448059 = 92273065617
BaseRepresentation
bin11010010110000000…
…001111000110111011
32201000022221110000102
4122112000033012323
5430412312314214
620554500430015
72020651561412
oct322600170673
981008843012
1028286448059
1110aa5a65101
1255950a830b
13288a38233c
141524a36479
15b08499bde
hex69600f1bb

28286448059 has 4 divisors (see below), whose sum is σ = 28289522904. Its totient is φ = 28283373216.

The previous prime is 28286448049. The next prime is 28286448061. The reversal of 28286448059 is 95084468282.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95084468282 = 247542234141.

It is a cyclic number.

It is not a de Polignac number, because 28286448059 - 224 = 28269670843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28286447995 and 28286448013.

It is not an unprimeable number, because it can be changed into a prime (28286448049) 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 3 ways as a sum of consecutive naturals, for example, 1523582 + ... + 1542035.

It is an arithmetic number, because the mean of its divisors is an integer number (7072380726).

Almost surely, 228286448059 is an apocalyptic number.

28286448059 is a deficient number, since it is larger than the sum of its proper divisors (3074845).

28286448059 is an equidigital number, since it uses as much as digits as its factorization.

28286448059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3074844.

The product of its (nonzero) digits is 8847360, while the sum is 56.

The spelling of 28286448059 in words is "twenty-eight billion, two hundred eighty-six million, four hundred forty-eight thousand, fifty-nine".

Divisors: 1 9227 3065617 28286448059