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2068533759 = 3689511253
BaseRepresentation
bin111101101001011…
…0101000111111111
312100011022101212110
41323102311013333
513214021040014
6541131505103
7102155150445
oct17322650777
95304271773
102068533759
119716a7036
124988b8193
1326c721696
14158a18b95
15c18edd59
hex7b4b51ff

2068533759 has 4 divisors (see below), whose sum is σ = 2758045016. Its totient is φ = 1379022504.

The previous prime is 2068533751. The next prime is 2068533821. The reversal of 2068533759 is 9573358602.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2068533759 - 23 = 2068533751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2068533751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344755624 + ... + 344755629.

It is an arithmetic number, because the mean of its divisors is an integer number (689511254).

Almost surely, 22068533759 is an apocalyptic number.

2068533759 is a deficient number, since it is larger than the sum of its proper divisors (689511257).

2068533759 is an equidigital number, since it uses as much as digits as its factorization.

2068533759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689511256.

The product of its (nonzero) digits is 1360800, while the sum is 48.

The square root of 2068533759 is about 45481.1362984699. The cubic root of 2068533759 is about 1274.1509167259.

The spelling of 2068533759 in words is "two billion, sixty-eight million, five hundred thirty-three thousand, seven hundred fifty-nine".

Divisors: 1 3 689511253 2068533759