Base | Representation |
---|---|
bin | 111010111000110011… |
… | …110110010000000000 |
3 | 20001012121122222210101 |
4 | 322320303312100000 |
5 | 2013443404011230 |
6 | 45014133212144 |
7 | 4365621222454 |
oct | 727063662000 |
9 | 201177588711 |
10 | 63230141440 |
11 | 248a7848144 |
12 | 10307791054 |
13 | 5c68a2019b |
14 | 30bb886664 |
15 | 19a1106aca |
hex | eb8cf6400 |
63230141440 has 44 divisors (see below), whose sum is σ = 151678253916. Its totient is φ = 25292054528.
The previous prime is 63230141437. The next prime is 63230141449. The reversal of 63230141440 is 4414103236.
It can be written as a sum of positive squares in 2 ways, for example, as 39400662016 + 23829479424 = 198496^2 + 154368^2 .
It is a junction number, because it is equal to n+sod(n) for n = 63230141399 and 63230141408.
It is not an unprimeable number, because it can be changed into a prime (63230141449) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6169699 + ... + 6179938.
Almost surely, 263230141440 is an apocalyptic number.
It is an amenable number.
63230141440 is an abundant number, since it is smaller than the sum of its proper divisors (88448112476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
63230141440 is a wasteful number, since it uses less digits than its factorization.
63230141440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12349662 (or 12349644 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 28.
Adding to 63230141440 its reverse (4414103236), we get a palindrome (67644244676).
The spelling of 63230141440 in words is "sixty-three billion, two hundred thirty million, one hundred forty-one thousand, four hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •