Base | Representation |
---|---|
bin | 1100011001111010001… |
… | …0011000100101010011 |
3 | 202101002020002211120000 |
4 | 3012132202120211103 |
5 | 11442423440224334 |
6 | 241523003421043 |
7 | 21253100256336 |
oct | 3063642304523 |
9 | 671066084500 |
10 | 213113211219 |
11 | 82420940947 |
12 | 35377224783 |
13 | 17133caba5c |
14 | a4598ba61d |
15 | 58247da299 |
hex | 319e898953 |
213113211219 has 20 divisors (see below), whose sum is σ = 335109795240. Its totient is φ = 134597816640.
The previous prime is 213113211211. The next prime is 213113211251. The reversal of 213113211219 is 912112311312.
213113211219 is a `hidden beast` number, since 2 + 1 + 311 + 321 + 1 + 21 + 9 = 666.
It is not a de Polignac number, because 213113211219 - 23 = 213113211211 is a prime.
It is a super-2 number, since 2×2131132112192 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 213113211192 and 213113211201.
It is not an unprimeable number, because it can be changed into a prime (213113211211) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 69236022 + ... + 69239099.
It is an arithmetic number, because the mean of its divisors is an integer number (16755489762).
Almost surely, 2213113211219 is an apocalyptic number.
213113211219 is a deficient number, since it is larger than the sum of its proper divisors (121996584021).
213113211219 is a wasteful number, since it uses less digits than its factorization.
213113211219 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 138475152 (or 138475143 counting only the distinct ones).
The product of its digits is 648, while the sum is 27.
The spelling of 213113211219 in words is "two hundred thirteen billion, one hundred thirteen million, two hundred eleven thousand, two hundred nineteen".
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