Search a number
-
+
2068094219569 = 722054412
BaseRepresentation
bin11110000110000100000…
…001010111010100110001
321022201010001010121120021
4132012010001113110301
5232340424110011234
64222022552243441
7302262205551400
oct36060401272461
97281101117507
102068094219569
1172808a2a9904
122949886a0581
13120035c030a1
147214c335637
1538be113c9b4
hex1e184057531

2068094219569 has 9 divisors (see below), whose sum is σ = 2405753965611. Its totient is φ = 1772643559680.

The previous prime is 2068094219549. The next prime is 2068094219603. The reversal of 2068094219569 is 9659124908602.

The square root of 2068094219569 is 1438087.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 20133169 + 2068074086400 = 4487^2 + 1438080^2 .

It is not a de Polignac number, because 2068094219569 - 27 = 2068094219441 is a prime.

It is a super-2 number, since 2×20680942195692 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2068094219509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9963889 + ... + 10169329.

It is an arithmetic number, because the mean of its divisors is an integer number (267305996179).

Almost surely, 22068094219569 is an apocalyptic number.

2068094219569 is the 1438087-th square number.

2068094219569 is the 719044-th centered octagonal number.

It is an amenable number.

2068094219569 is a deficient number, since it is larger than the sum of its proper divisors (337659746042).

2068094219569 is an frugal number, since it uses more digits than its factorization.

2068094219569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410896 (or 205448 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 61.

The spelling of 2068094219569 in words is "two trillion, sixty-eight billion, ninety-four million, two hundred nineteen thousand, five hundred sixty-nine".

Divisors: 1 7 49 205441 1438087 10066609 42206004481 295442031367 2068094219569