Base | Representation |
---|---|
bin | 100100010001001001… |
… | …101101111010110111 |
3 | 10201111222010020012011 |
4 | 210101021231322313 |
5 | 1114223232400334 |
6 | 25520120105051 |
7 | 2546013332323 |
oct | 442111557267 |
9 | 121458106164 |
10 | 38942465719 |
11 | 15574008973 |
12 | 7669905187 |
13 | 3897c4c831 |
14 | 1c55d64983 |
15 | 102dc3d564 |
hex | 91126deb7 |
38942465719 has 2 divisors, whose sum is σ = 38942465720. Its totient is φ = 38942465718.
The previous prime is 38942465713. The next prime is 38942465729. The reversal of 38942465719 is 91756424983.
It is a weak prime.
It is an emirp because it is prime and its reverse (91756424983) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 38942465719 - 23 = 38942465711 is a prime.
It is a super-2 number, since 2×389424657192 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (38942465711) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19471232859 + 19471232860.
It is an arithmetic number, because the mean of its divisors is an integer number (19471232860).
Almost surely, 238942465719 is an apocalyptic number.
38942465719 is a deficient number, since it is larger than the sum of its proper divisors (1).
38942465719 is an equidigital number, since it uses as much as digits as its factorization.
38942465719 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 13063680, while the sum is 58.
The spelling of 38942465719 in words is "thirty-eight billion, nine hundred forty-two million, four hundred sixty-five thousand, seven hundred nineteen".
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