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834394345269 = 31783971559059
BaseRepresentation
bin11000010010001011100…
…01110100111100110101
32221202201101011111211020
430021011301310330311
5102132314423022034
61435152050331353
7114166032625062
oct14110561647465
92852641144736
10834394345269
112a1956945431
12115864b89b59
13608b5874974
142c556255c69
1516a87ad9249
hexc245c74f35

834394345269 has 8 divisors (see below), whose sum is σ = 1112532743520. Its totient is φ = 556259421936.

The previous prime is 834394345261. The next prime is 834394345289. The reversal of 834394345269 is 962543493438.

834394345269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 834394345269 - 23 = 834394345261 is a prime.

It is a super-2 number, since 2×8343943452692 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834394345261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244339 + ... + 1314720.

It is an arithmetic number, because the mean of its divisors is an integer number (139066592940).

Almost surely, 2834394345269 is an apocalyptic number.

It is an amenable number.

834394345269 is a deficient number, since it is larger than the sum of its proper divisors (278138398251).

834394345269 is a wasteful number, since it uses less digits than its factorization.

834394345269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737459.

The product of its digits is 67184640, while the sum is 60.

The spelling of 834394345269 in words is "eight hundred thirty-four billion, three hundred ninety-four million, three hundred forty-five thousand, two hundred sixty-nine".

Divisors: 1 3 178397 535191 1559059 4677177 278131448423 834394345269