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2068715563 is a prime number
BaseRepresentation
bin111101101001110…
…0001100000101011
312100011122122020221
41323103201200223
513214042344223
6541135430511
7102156535465
oct17323414053
95304578227
102068715563
11971810692
12498985437
1326c786365
14158a65135
15c1937b5d
hex7b4e182b

2068715563 has 2 divisors, whose sum is σ = 2068715564. Its totient is φ = 2068715562.

The previous prime is 2068715549. The next prime is 2068715587. The reversal of 2068715563 is 3655178602.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2068715563 is a prime.

It is a super-3 number, since 3×20687155633 (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2068715503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034357781 + 1034357782.

It is an arithmetic number, because the mean of its divisors is an integer number (1034357782).

Almost surely, 22068715563 is an apocalyptic number.

2068715563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2068715563 is an equidigital number, since it uses as much as digits as its factorization.

2068715563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 2068715563 is about 45483.1349293340. The cubic root of 2068715563 is about 1274.1882441236.

The spelling of 2068715563 in words is "two billion, sixty-eight million, seven hundred fifteen thousand, five hundred sixty-three".