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1375048879 is a prime number
BaseRepresentation
bin101000111110101…
…1001010010101111
310112211101201110021
41101331121102233
510304003031004
6344240023011
746034502601
oct12175312257
93484351407
101375048879
116461a7636
12324601a67
1318bb538b9
14d0899171
1580ab6d54
hex51f594af

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".