Search a number
-
+
2068891259 is a prime number
BaseRepresentation
bin111101101010000…
…1100011001111011
312100011222120021012
41323110030121323
513214114010014
6541143304135
7102161166641
oct17324143173
95304876235
102068891259
11971920696
12498a4b04b
1326c818316
14158aad191
15c196ec3e
hex7b50c67b

2068891259 has 2 divisors, whose sum is σ = 2068891260. Its totient is φ = 2068891258.

The previous prime is 2068891219. The next prime is 2068891277. The reversal of 2068891259 is 9521988602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2068891259 - 28 = 2068891003 is a prime.

It is a super-2 number, since 2×20688912592 = 8560622083133210162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2068891219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034445629 + 1034445630.

It is an arithmetic number, because the mean of its divisors is an integer number (1034445630).

Almost surely, 22068891259 is an apocalyptic number.

2068891259 is a deficient number, since it is larger than the sum of its proper divisors (1).

2068891259 is an equidigital number, since it uses as much as digits as its factorization.

2068891259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 50.

The square root of 2068891259 is about 45485.0663295108. The cubic root of 2068891259 is about 1274.2243153690.

The spelling of 2068891259 in words is "two billion, sixty-eight million, eight hundred ninety-one thousand, two hundred fifty-nine".