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809395052223 = 3717874828433
BaseRepresentation
bin10111100011100111011…
…01000101111010111111
32212101012010120211202210
423301303231011322333
5101230120113132343
61415455252551503
7112322364266562
oct13616355057277
92771163524683
10809395052223
1129229845156a
12110a48922593
135b430528184
142b2640144d9
15160c3006333
hexbc73b45ebf

809395052223 has 16 divisors (see below), whose sum is σ = 1095784125696. Its totient is φ = 531320657280.

The previous prime is 809395052183. The next prime is 809395052231. The reversal of 809395052223 is 322250593908.

It is not a de Polignac number, because 809395052223 - 28 = 809395051967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809395052243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2246586 + ... + 2581847.

It is an arithmetic number, because the mean of its divisors is an integer number (68486507856).

Almost surely, 2809395052223 is an apocalyptic number.

809395052223 is a deficient number, since it is larger than the sum of its proper divisors (286389073473).

809395052223 is a wasteful number, since it uses less digits than its factorization.

809395052223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4829294.

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 809395052223 in words is "eight hundred nine billion, three hundred ninety-five million, fifty-two thousand, two hundred twenty-three".

Divisors: 1 3 71 213 787 2361 55877 167631 4828433 14485299 342818743 1028456229 3799976771 11399930313 269798350741 809395052223