Search a number
-
+
689045488459 = 8310182195573
BaseRepresentation
bin10100000011011100100…
…11111100001101001011
32102212112202122112221021
422001232103330031023
542242131121112314
61244313152053311
7100532122005046
oct12015623741513
92385482575837
10689045488459
1124624a23aa79
12b165bb34237
134cc90aab353
14254c84b5c5d
1512dcc501324
hexa06e4fc34b

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".

Divisors: 1 83 101 8383 82195573 6822232559 8301752873 689045488459