Base | Representation |
---|---|
bin | 100000010100100011… |
… | …0011011100010001000 |
3 | 20122011020022222000100 |
4 | 1000221012123202020 |
5 | 2114122202400412 |
6 | 51515220205400 |
7 | 5005010001615 |
oct | 1005106334210 |
9 | 218136288010 |
10 | 69409028232 |
11 | 27488650255 |
12 | 11550b39860 |
13 | 6711b9020b |
14 | 350633d50c |
15 | 1c137c7edc |
hex | 102919b888 |
69409028232 has 48 divisors (see below), whose sum is σ = 188125345980. Its totient is φ = 23118796800.
The previous prime is 69409028189. The next prime is 69409028233. The reversal of 69409028232 is 23282090496.
69409028232 is a `hidden beast` number, since 6 + 9 + 409 + 0 + 2 + 8 + 232 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 61556587236 + 7852440996 = 248106^2 + 88614^2 .
It is a super-2 number, since 2×694090282322 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (69409028233) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269769 + ... + 459992.
Almost surely, 269409028232 is an apocalyptic number.
It is an amenable number.
69409028232 is an abundant number, since it is smaller than the sum of its proper divisors (118716317748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69409028232 is a wasteful number, since it uses less digits than its factorization.
69409028232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 731094 (or 731087 counting only the distinct ones).
The product of its (nonzero) digits is 373248, while the sum is 45.
The spelling of 69409028232 in words is "sixty-nine billion, four hundred nine million, twenty-eight thousand, two hundred thirty-two".
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