Base | Representation |
---|---|
bin | 101000111110101… |
… | …1001010010101111 |
3 | 10112211101201110021 |
4 | 1101331121102233 |
5 | 10304003031004 |
6 | 344240023011 |
7 | 46034502601 |
oct | 12175312257 |
9 | 3484351407 |
10 | 1375048879 |
11 | 6461a7636 |
12 | 324601a67 |
13 | 18bb538b9 |
14 | d0899171 |
15 | 80ab6d54 |
hex | 51f594af |
1375048879 has 2 divisors, whose sum is σ = 1375048880. Its totient is φ = 1375048878.
The previous prime is 1375048853. The next prime is 1375048889. The reversal of 1375048879 is 9788405731.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1375048879 - 25 = 1375048847 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1375048819) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687524439 + 687524440.
It is an arithmetic number, because the mean of its divisors is an integer number (687524440).
Almost surely, 21375048879 is an apocalyptic number.
1375048879 is a deficient number, since it is larger than the sum of its proper divisors (1).
1375048879 is an equidigital number, since it uses as much as digits as its factorization.
1375048879 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1693440, while the sum is 52.
The square root of 1375048879 is about 37081.6515139226. The cubic root of 1375048879 is about 1112.0032216040.
The spelling of 1375048879 in words is "one billion, three hundred seventy-five million, forty-eight thousand, eight hundred seventy-nine".
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