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21213611546041 is a prime number
BaseRepresentation
bin1001101001011001011011…
…10001111101010110111001
32210010000001001200210120001
410310230231301331112321
510240030434023433131
6113041222033233001
74316430032660425
oct464545561752671
983100031623501
1021213611546041
116839707753132
12246740b702761
13bab58687c4a5
14534a5c421b85
1526bc34a22261
hex134b2dc7d5b9

21213611546041 has 2 divisors, whose sum is σ = 21213611546042. Its totient is φ = 21213611546040.

The previous prime is 21213611546027. The next prime is 21213611546051. The reversal of 21213611546041 is 14064511631212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16301608125625 + 4912003420416 = 4037525^2 + 2216304^2 .

It is a cyclic number.

It is not a de Polignac number, because 21213611546041 - 225 = 21213577991609 is a prime.

It is not a weakly prime, because it can be changed into another prime (21213611546011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10606805773020 + 10606805773021.

It is an arithmetic number, because the mean of its divisors is an integer number (10606805773021).

Almost surely, 221213611546041 is an apocalyptic number.

It is an amenable number.

21213611546041 is a deficient number, since it is larger than the sum of its proper divisors (1).

21213611546041 is an equidigital number, since it uses as much as digits as its factorization.

21213611546041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 21213611546041 in words is "twenty-one trillion, two hundred thirteen billion, six hundred eleven million, five hundred forty-six thousand, forty-one".