Base | Representation |
---|---|
bin | 1000111010111111… |
… | …11101101011110001 |
3 | 110100211000101220101 |
4 | 10131133331223301 |
5 | 34302202320211 |
6 | 2111143512401 |
7 | 226461233200 |
oct | 43537755361 |
9 | 13324011811 |
10 | 4789885681 |
11 | 2038847009 |
12 | b18158701 |
13 | 5b44729a9 |
14 | 336209237 |
15 | 1d07a05c1 |
hex | 11d7fdaf1 |
4789885681 has 9 divisors (see below), whose sum is σ = 5572471449. Its totient is φ = 4105201044.
The previous prime is 4789885679. The next prime is 4789885687. The reversal of 4789885681 is 1865889874.
It is a happy number.
The square root of 4789885681 is 69209.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 4789885681 - 21 = 4789885679 is a prime.
It is a super-2 number, since 2×47898856812 = 45886009674097667522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (4789885687) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 479520 + ... + 489406.
Almost surely, 24789885681 is an apocalyptic number.
4789885681 is the 69209-th square number.
4789885681 is the 34605-th centered octagonal number.
It is an amenable number.
4789885681 is a deficient number, since it is larger than the sum of its proper divisors (782585768).
4789885681 is an frugal number, since it uses more digits than its factorization.
4789885681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19788 (or 9894 counting only the distinct ones).
The product of its digits is 30965760, while the sum is 64.
The cubic root of 4789885681 is about 1685.6796714493.
Multiplying 4789885681 by its sum of digits (64), we get a square (306552683584 = 5536722).
The spelling of 4789885681 in words is "four billion, seven hundred eighty-nine million, eight hundred eighty-five thousand, six hundred eighty-one".
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