Base | Representation |
---|---|
bin | 10100000011100011100… |
… | …01011001010000101011 |
3 | 2102212200210212221110011 |
4 | 22001301301121100223 |
5 | 42242241001310131 |
6 | 1244323024232351 |
7 | 100533425312224 |
oct | 12016161312053 |
9 | 2385623787404 |
10 | 689103541291 |
11 | 246279a90a20 |
12 | b167746b6b7 |
13 | 4cc9cb25c39 |
14 | 254d20a824b |
15 | 12dd266c0b1 |
hex | a071c5942b |
689103541291 has 32 divisors (see below), whose sum is σ = 786921868800. Its totient is φ = 597670106880.
The previous prime is 689103541271. The next prime is 689103541411. The reversal of 689103541291 is 192145301986.
It is a happy number.
It is not a de Polignac number, because 689103541291 - 219 = 689103017003 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (689103541241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48910650 + ... + 48924736.
It is an arithmetic number, because the mean of its divisors is an integer number (24591308400).
Almost surely, 2689103541291 is an apocalyptic number.
689103541291 is a deficient number, since it is larger than the sum of its proper divisors (97818327509).
689103541291 is a wasteful number, since it uses less digits than its factorization.
689103541291 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15939.
The product of its (nonzero) digits is 466560, while the sum is 49.
The spelling of 689103541291 in words is "six hundred eighty-nine billion, one hundred three million, five hundred forty-one thousand, two hundred ninety-one".
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