Base | Representation |
---|---|
bin | 1100011001100001100… |
… | …1001000100101111010 |
3 | 202100211001010102021122 |
4 | 3012120121020211322 |
5 | 11442221042420010 |
6 | 241504442105242 |
7 | 21250406113100 |
oct | 3063031104572 |
9 | 670731112248 |
10 | 213010123130 |
11 | 82378730282 |
12 | 353487ab222 |
13 | 1711882679c |
14 | a449d23c70 |
15 | 581a725855 |
hex | 319864897a |
213010123130 has 96 divisors (see below), whose sum is σ = 458678635200. Its totient is φ = 70986676992.
The previous prime is 213010123093. The next prime is 213010123133. The reversal of 213010123130 is 31321010312.
It is a junction number, because it is equal to n+sod(n) for n = 213010123099 and 213010123108.
It is not an unprimeable number, because it can be changed into a prime (213010123133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2531597 + ... + 2614383.
It is an arithmetic number, because the mean of its divisors is an integer number (4777902450).
Almost surely, 2213010123130 is an apocalyptic number.
213010123130 is an abundant number, since it is smaller than the sum of its proper divisors (245668512070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213010123130 is a wasteful number, since it uses less digits than its factorization.
213010123130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82956 (or 82949 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 213010123130 its reverse (31321010312), we get a palindrome (244331133442).
The spelling of 213010123130 in words is "two hundred thirteen billion, ten million, one hundred twenty-three thousand, one hundred thirty".
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