Base | Representation |
---|---|
bin | 1100011001010101101… |
… | …0110101110011011101 |
3 | 202100200120021000212100 |
4 | 3012111122311303131 |
5 | 11442120310120223 |
6 | 241455500555313 |
7 | 21246232106550 |
oct | 3062532656335 |
9 | 670616230770 |
10 | 212960238813 |
11 | 82352559473 |
12 | 35333b52b39 |
13 | 1710b3abc3a |
14 | a44345a697 |
15 | 5816170043 |
hex | 31956b5cdd |
212960238813 has 24 divisors (see below), whose sum is σ = 362893846016. Its totient is φ = 117766029600.
The previous prime is 212960238797. The next prime is 212960238823. The reversal of 212960238813 is 318832069212.
212960238813 is a `hidden beast` number, since 2 + 1 + 2 + 9 + 602 + 38 + 8 + 1 + 3 = 666.
It is not a de Polignac number, because 212960238813 - 24 = 212960238797 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212960238823) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54519358 + ... + 54523263.
Almost surely, 2212960238813 is an apocalyptic number.
It is an amenable number.
212960238813 is a deficient number, since it is larger than the sum of its proper divisors (149933607203).
212960238813 is a wasteful number, since it uses less digits than its factorization.
212960238813 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109042665 (or 109042662 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 45.
The spelling of 212960238813 in words is "two hundred twelve billion, nine hundred sixty million, two hundred thirty-eight thousand, eight hundred thirteen".
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