Base | Representation |
---|---|
bin | 10011111000001111100… |
… | …11101001111011011100 |
3 | 2102022000120220210022210 |
4 | 21330013303221323130 |
5 | 42142321340003120 |
6 | 1241440252040420 |
7 | 100230065564523 |
oct | 11740763517334 |
9 | 2368016823283 |
10 | 683030781660 |
11 | 243743084807 |
12 | b0461763110 |
13 | 4c542963546 |
14 | 250b77594ba |
15 | 12b79460ce0 |
hex | 9f07ce9edc |
683030781660 has 48 divisors (see below), whose sum is σ = 1925151685632. Its totient is φ = 180935304000.
The previous prime is 683030781649. The next prime is 683030781683. The reversal of 683030781660 is 66187030386.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37685796 + ... + 37703915.
It is an arithmetic number, because the mean of its divisors is an integer number (40107326784).
Almost surely, 2683030781660 is an apocalyptic number.
683030781660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
683030781660 is an abundant number, since it is smaller than the sum of its proper divisors (1242120903972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
683030781660 is a wasteful number, since it uses less digits than its factorization.
683030781660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75389874 (or 75389872 counting only the distinct ones).
The product of its (nonzero) digits is 870912, while the sum is 48.
The spelling of 683030781660 in words is "six hundred eighty-three billion, thirty million, seven hundred eighty-one thousand, six hundred sixty".
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