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2068715587 is a prime number
BaseRepresentation
bin111101101001110…
…0001100001000011
312100011122122021211
41323103201201003
513214042344322
6541135430551
7102156535531
oct17323414103
95304578254
102068715587
11971810704
12498985457
1326c786383
14158a65151
15c1937b77
hex7b4e1843

2068715587 has 2 divisors, whose sum is σ = 2068715588. Its totient is φ = 2068715586.

The previous prime is 2068715563. The next prime is 2068715599. The reversal of 2068715587 is 7855178602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2068715587 - 223 = 2060326979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2068715587.

It is not a weakly prime, because it can be changed into another prime (2068715527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034357793 + 1034357794.

It is an arithmetic number, because the mean of its divisors is an integer number (1034357794).

Almost surely, 22068715587 is an apocalyptic number.

2068715587 is a deficient number, since it is larger than the sum of its proper divisors (1).

2068715587 is an equidigital number, since it uses as much as digits as its factorization.

2068715587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 940800, while the sum is 49.

The square root of 2068715587 is about 45483.1351931680. The cubic root of 2068715587 is about 1274.1882490511.

The spelling of 2068715587 in words is "two billion, sixty-eight million, seven hundred fifteen thousand, five hundred eighty-seven".