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213113321201 = 11471790923017
BaseRepresentation
bin1100011001111010001…
…0110011011011110001
3202101002020022102102102
43012132202303123301
511442424002234301
6241523010030145
721253101225104
oct3063642633361
9671066272372
10213113321201
1182420a06540
1235377278355
1317134019b31
14a45990873b
15582480cb6b
hex319e8b36f1

213113321201 has 16 divisors (see below), whose sum is σ = 237457370880. Its totient is φ = 189598442880.

The previous prime is 213113321159. The next prime is 213113321209. The reversal of 213113321201 is 102123311312.

It is a happy number.

It is not a de Polignac number, because 213113321201 - 234 = 195933452017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (213113321209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9247445 + ... + 9270461.

It is an arithmetic number, because the mean of its divisors is an integer number (14841085680).

Almost surely, 2213113321201 is an apocalyptic number.

It is an amenable number.

213113321201 is a deficient number, since it is larger than the sum of its proper divisors (24344049679).

213113321201 is a wasteful number, since it uses less digits than its factorization.

213113321201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40984.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 213113321201 its reverse (102123311312), we get a palindrome (315236632513).

The spelling of 213113321201 in words is "two hundred thirteen billion, one hundred thirteen million, three hundred twenty-one thousand, two hundred one".

Divisors: 1 11 47 517 17909 23017 196999 253187 841723 1081799 9258953 11899789 412211453 4534325983 19373938291 213113321201