Base | Representation |
---|---|
bin | 10111000000111000… |
… | …01100000001000110 |
3 | 1011220001220101020200 |
4 | 23200130030001012 |
5 | 200300441421410 |
6 | 5402003311330 |
7 | 615115224216 |
oct | 134034140106 |
9 | 34801811220 |
10 | 12355420230 |
11 | 52703490aa |
12 | 248997b546 |
13 | 121b997b5a |
14 | 852cda246 |
15 | 4c4a7a3c0 |
hex | 2e070c046 |
12355420230 has 24 divisors (see below), whose sum is σ = 32124092832. Its totient is φ = 3294778704.
The previous prime is 12355420229. The next prime is 12355420237. The reversal of 12355420230 is 3202455321.
It is a happy number.
12355420230 is a `hidden beast` number, since 1 + 2 + 3 + 5 + 5 + 420 + 230 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 12355420194 and 12355420203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12355420237) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68641134 + ... + 68641313.
It is an arithmetic number, because the mean of its divisors is an integer number (1338503868).
Almost surely, 212355420230 is an apocalyptic number.
12355420230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12355420230 is an abundant number, since it is smaller than the sum of its proper divisors (19768672602).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12355420230 is a wasteful number, since it uses less digits than its factorization.
12355420230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 137282460 (or 137282457 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 27.
Adding to 12355420230 its reverse (3202455321), we get a palindrome (15557875551).
The spelling of 12355420230 in words is "twelve billion, three hundred fifty-five million, four hundred twenty thousand, two hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •