Base | Representation |
---|---|
bin | 11000100111000111… |
… | …00110011000001110 |
3 | 1021002211121000012221 |
4 | 30103203212120032 |
5 | 204030012014410 |
6 | 10023040245554 |
7 | 645300441322 |
oct | 142343463016 |
9 | 37084530187 |
10 | 13213001230 |
11 | 5670438430 |
12 | 26890108ba |
13 | 132755b930 |
14 | 8d4b73982 |
15 | 524ec84da |
hex | 3138e660e |
13213001230 has 64 divisors (see below), whose sum is σ = 28468698048. Its totient is φ = 4351426560.
The previous prime is 13213001183. The next prime is 13213001237. The reversal of 13213001230 is 3210031231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13213001237) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11379 + ... + 162958.
It is an arithmetic number, because the mean of its divisors is an integer number (444823407).
Almost surely, 213213001230 is an apocalyptic number.
13213001230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13213001230 is an abundant number, since it is smaller than the sum of its proper divisors (15255696818).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13213001230 is a wasteful number, since it uses less digits than its factorization.
13213001230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 174421.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 13213001230 its reverse (3210031231), we get a palindrome (16423032461).
The spelling of 13213001230 in words is "thirteen billion, two hundred thirteen million, one thousand, two hundred thirty".
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