Base | Representation |
---|---|
bin | 10100000011011100100… |
… | …11111100001101001011 |
3 | 2102212112202122112221021 |
4 | 22001232103330031023 |
5 | 42242131121112314 |
6 | 1244313152053311 |
7 | 100532122005046 |
oct | 12015623741513 |
9 | 2385482575837 |
10 | 689045488459 |
11 | 24624a23aa79 |
12 | b165bb34237 |
13 | 4cc90aab353 |
14 | 254c84b5c5d |
15 | 12dcc501324 |
hex | a06e4fc34b |
689045488459 has 8 divisors (see below), whose sum is σ = 704251678032. Its totient is φ = 674003690400.
The previous prime is 689045488447. The next prime is 689045488493. The reversal of 689045488459 is 954884540986.
689045488459 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 a cyclic number.
It is not a de Polignac number, because 689045488459 - 227 = 688911270731 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (689045488499) 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, 41089404 + ... + 41106169.
It is an arithmetic number, because the mean of its divisors is an integer number (88031459754).
Almost surely, 2689045488459 is an apocalyptic number.
689045488459 is a deficient number, since it is larger than the sum of its proper divisors (15206189573).
689045488459 is a wasteful number, since it uses less digits than its factorization.
689045488459 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82195757.
The product of its (nonzero) digits is 398131200, while the sum is 70.
The spelling of 689045488459 in words is "six hundred eighty-nine billion, forty-five million, four hundred eighty-eight thousand, four hundred fifty-nine".
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