Base | Representation |
---|---|
bin | 1100100010001001011… |
… | …1101100010100001101 |
3 | 202120210100222101201001 |
4 | 3020202113230110031 |
5 | 12011441200012343 |
6 | 242530254020301 |
7 | 21361645211065 |
oct | 3104227542415 |
9 | 676710871631 |
10 | 215325000973 |
11 | 83356393265 |
12 | 35893aa7691 |
13 | 173c72aa7a4 |
14 | a5c95463a5 |
15 | 5903a8544d |
hex | 32225ec50d |
215325000973 has 2 divisors, whose sum is σ = 215325000974. Its totient is φ = 215325000972.
The previous prime is 215325000971. The next prime is 215325000997. The reversal of 215325000973 is 379000523512.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 142954316649 + 72370684324 = 378093^2 + 269018^2 .
It is a cyclic number.
It is not a de Polignac number, because 215325000973 - 21 = 215325000971 is a prime.
Together with 215325000971, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (215325000971) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107662500486 + 107662500487.
It is an arithmetic number, because the mean of its divisors is an integer number (107662500487).
Almost surely, 2215325000973 is an apocalyptic number.
It is an amenable number.
215325000973 is a deficient number, since it is larger than the sum of its proper divisors (1).
215325000973 is an equidigital number, since it uses as much as digits as its factorization.
215325000973 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 56700, while the sum is 37.
The spelling of 215325000973 in words is "two hundred fifteen billion, three hundred twenty-five million, nine hundred seventy-three", and thus it is an aban number.
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