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832381790689 = 1943809567931
BaseRepresentation
bin11000001110011011101…
…00100010100111100001
32221120112010012010221201
430013031310202213201
5102114204214300224
61434220234321201
7114065124324031
oct14071564424741
92846463163851
10832381790689
112a1013903389
121153a2b89201
1360654923077
142c404c4d8c1
15169bb096a44
hexc1cdd229e1

832381790689 has 4 divisors (see below), whose sum is σ = 876191358640. Its totient is φ = 788572222740.

The previous prime is 832381790657. The next prime is 832381790693. The reversal of 832381790689 is 986097183238.

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, and also an emirpimes, since its reverse is a distinct semiprime: 986097183238 = 2493048591619.

It is a cyclic number.

It is not a de Polignac number, because 832381790689 - 25 = 832381790657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 832381790689.

It is not an unprimeable number, because it can be changed into a prime (832381790489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21904783947 + ... + 21904783984.

It is an arithmetic number, because the mean of its divisors is an integer number (219047839660).

Almost surely, 2832381790689 is an apocalyptic number.

It is an amenable number.

832381790689 is a deficient number, since it is larger than the sum of its proper divisors (43809567951).

832381790689 is a wasteful number, since it uses less digits than its factorization.

832381790689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43809567950.

The product of its (nonzero) digits is 31352832, while the sum is 64.

The spelling of 832381790689 in words is "eight hundred thirty-two billion, three hundred eighty-one million, seven hundred ninety thousand, six hundred eighty-nine".

Divisors: 1 19 43809567931 832381790689