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830000780255 = 5166000156051
BaseRepresentation
bin11000001001111111110…
…01101101001111011111
32221100101011220021200002
430010333321231033133
5102044320144432010
61433144101124515
7113652123140453
oct14047771551737
92840334807602
10830000780255
112a0001890a69
12114a396b973b
136036555595a
142c25a934663
15168cc0221a5
hexc13fe6d3df

830000780255 has 4 divisors (see below), whose sum is σ = 996000936312. Its totient is φ = 664000624200.

The previous prime is 830000780237. The next prime is 830000780263. The reversal of 830000780255 is 552087000038.

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

It is not a de Polignac number, because 830000780255 - 214 = 830000763871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83000078021 + ... + 83000078030.

It is an arithmetic number, because the mean of its divisors is an integer number (249000234078).

Almost surely, 2830000780255 is an apocalyptic number.

830000780255 is a deficient number, since it is larger than the sum of its proper divisors (166000156057).

830000780255 is a wasteful number, since it uses less digits than its factorization.

830000780255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166000156056.

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 830000780255 in words is "eight hundred thirty billion, seven hundred eighty thousand, two hundred fifty-five".

Divisors: 1 5 166000156051 830000780255