Base | Representation |
---|---|
bin | 11000001010111111001… |
… | …11001000001100011100 |
3 | 2221101202020221201021000 |
4 | 30011133213020030130 |
5 | 102101412342441303 |
6 | 1433312543510300 |
7 | 114001243104522 |
oct | 14053747101434 |
9 | 2841666851230 |
10 | 830532780828 |
11 | 2a0255114963 |
12 | 114b678b8390 |
13 | 6041b8334aa |
14 | 2c2ab45a312 |
15 | 1690daabda3 |
hex | c15f9c831c |
830532780828 has 48 divisors (see below), whose sum is σ = 2153288340000. Its totient is φ = 276837162624.
The previous prime is 830532780827. The next prime is 830532780839. The reversal of 830532780828 is 828087235038.
It is a happy number.
830532780828 is a `hidden beast` number, since 8 + 3 + 0 + 532 + 7 + 80 + 8 + 28 = 666.
It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (830532780827) 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 15 ways as a sum of consecutive naturals, for example, 5711488 + ... + 5855096.
It is an arithmetic number, because the mean of its divisors is an integer number (44860173750).
Almost surely, 2830532780828 is an apocalyptic number.
It is an amenable number.
830532780828 is an abundant number, since it is smaller than the sum of its proper divisors (1322755559172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
830532780828 is a wasteful number, since it uses less digits than its factorization.
830532780828 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 197171 (or 197163 counting only the distinct ones).
The product of its (nonzero) digits is 5160960, while the sum is 54.
The spelling of 830532780828 in words is "eight hundred thirty billion, five hundred thirty-two million, seven hundred eighty thousand, eight hundred twenty-eight".
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