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28025462823 = 39341820941
BaseRepresentation
bin11010000110011100…
…101010000000100111
32200100010212000120120
4122012130222000213
5424344004302243
620512534533023
72011332334461
oct320634520047
980303760516
1028025462823
1110981709026
125521807173
1328482947c7
1414dc0db131
15ae05e5c83
hex68672a027

28025462823 has 4 divisors (see below), whose sum is σ = 37367283768. Its totient is φ = 18683641880.

The previous prime is 28025462789. The next prime is 28025462827. The reversal of 28025462823 is 32826452082.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28025462823 - 213 = 28025454631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28025462827) 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, 4670910468 + ... + 4670910473.

It is an arithmetic number, because the mean of its divisors is an integer number (9341820942).

Almost surely, 228025462823 is an apocalyptic number.

28025462823 is a deficient number, since it is larger than the sum of its proper divisors (9341820945).

28025462823 is an equidigital number, since it uses as much as digits as its factorization.

28025462823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9341820944.

The product of its (nonzero) digits is 368640, while the sum is 42.

The spelling of 28025462823 in words is "twenty-eight billion, twenty-five million, four hundred sixty-two thousand, eight hundred twenty-three".

Divisors: 1 3 9341820941 28025462823