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213123320113 = 11217712336263
BaseRepresentation
bin1100011001111100100…
…0111100100100110001
3202101002221010102100111
43012133020330210301
511442434032220423
6241524004221321
721253252221334
oct3063710744461
9671087112314
10213123320113
1182426615900
123537a69a841
131713610b052
14a45ad8c61b
15582563560d
hex319f23c931

213123320113 has 48 divisors (see below), whose sum is σ = 252652877568. Its totient is φ = 178982988800.

The previous prime is 213123320101. The next prime is 213123320191. The reversal of 213123320113 is 311023321312.

213123320113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213123320113 - 233 = 204533385521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213123320413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34025820 + ... + 34032082.

It is an arithmetic number, because the mean of its divisors is an integer number (5263601616).

Almost surely, 2213123320113 is an apocalyptic number.

It is an amenable number.

213123320113 is a deficient number, since it is larger than the sum of its proper divisors (39529557455).

213123320113 is a wasteful number, since it uses less digits than its factorization.

213123320113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6606 (or 6595 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 213123320113 its reverse (311023321312), we get a palindrome (524146641425).

The spelling of 213123320113 in words is "two hundred thirteen billion, one hundred twenty-three million, three hundred twenty thousand, one hundred thirteen".

Divisors: 1 11 17 71 121 187 233 781 1207 2057 2563 3961 6263 8591 13277 16543 28193 43571 68893 106471 146047 181973 281231 444673 479281 757823 1171181 1459279 2001703 3093541 4891403 7559441 12882991 16052069 24807743 34028951 53805433 83153851 103608809 176572759 272885173 914692361 1139696899 1761349753 3001736903 12536665889 19374847283 213123320113