Base | Representation |
---|---|
bin | 110101001100110011… |
… | …110001011111110111 |
3 | 12110110000102000002122 |
4 | 311030303301133313 |
5 | 1413442020342401 |
6 | 42124140430155 |
7 | 4061365214306 |
oct | 651463613767 |
9 | 173400360078 |
10 | 57123215351 |
11 | 22253625194 |
12 | b0a254835b |
13 | 5504757257 |
14 | 2a9c7a243d |
15 | 1744dec21b |
hex | d4ccf17f7 |
57123215351 has 2 divisors, whose sum is σ = 57123215352. Its totient is φ = 57123215350.
The previous prime is 57123215339. The next prime is 57123215353. The reversal of 57123215351 is 15351232175.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 57123215351 - 210 = 57123214327 is a prime.
Together with 57123215353, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (57123215353) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28561607675 + 28561607676.
It is an arithmetic number, because the mean of its divisors is an integer number (28561607676).
Almost surely, 257123215351 is an apocalyptic number.
57123215351 is a deficient number, since it is larger than the sum of its proper divisors (1).
57123215351 is an equidigital number, since it uses as much as digits as its factorization.
57123215351 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 31500, while the sum is 35.
The spelling of 57123215351 in words is "fifty-seven billion, one hundred twenty-three million, two hundred fifteen thousand, three hundred fifty-one".
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