Base | Representation |
---|---|
bin | 1100011001111011110… |
… | …0110001101111101110 |
3 | 202101002201010100101021 |
4 | 3012132330301233232 |
5 | 11442432223130110 |
6 | 241523412004354 |
7 | 21253213133653 |
oct | 3063674615756 |
9 | 671081110337 |
10 | 213120130030 |
11 | 82424837075 |
12 | 353796006ba |
13 | 17135562022 |
14 | a45a79bc2a |
15 | 58252052da |
hex | 319ef31bee |
213120130030 has 64 divisors (see below), whose sum is σ = 406431986688. Its totient is φ = 80297916160.
The previous prime is 213120129977. The next prime is 213120130039. The reversal of 213120130030 is 30031021312.
It is a junction number, because it is equal to n+sod(n) for n = 213120129986 and 213120130013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213120130039) 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, 5919042 + ... + 5954938.
It is an arithmetic number, because the mean of its divisors is an integer number (6350499792).
Almost surely, 2213120130030 is an apocalyptic number.
213120130030 is a deficient number, since it is larger than the sum of its proper divisors (193311856658).
213120130030 is a wasteful number, since it uses less digits than its factorization.
213120130030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36321.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 213120130030 its reverse (30031021312), we get a palindrome (243151151342).
The spelling of 213120130030 in words is "two hundred thirteen billion, one hundred twenty million, one hundred thirty thousand, thirty".
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