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860221000122068 = 221316542711540809
BaseRepresentation
bin1100001110010111011100111…
…1001000111111111011010100
311011210210022202112122011120002
43003211313033020333323110
51400222330102012401233
612245312023312030432
7346122626205014204
oct30345671710777324
94153708675564502
10860221000122068
1122a10274a721082
1280590714532418
132abcb6525c1690
141125ccc0732404
15696b4c7c076e8
hex30e5dcf23fed4

860221000122068 has 12 divisors (see below), whose sum is σ = 1621185730999380. Its totient is φ = 397025076979392.

The previous prime is 860221000122067. The next prime is 860221000122103.

860221000122068 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 57891128738884 + 802329871383184 = 7608622^2 + 28325428^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860221000122067) 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, 8271355770353 + ... + 8271355770456.

It is an arithmetic number, because the mean of its divisors is an integer number (135098810916615).

Almost surely, 2860221000122068 is an apocalyptic number.

It is an amenable number.

860221000122068 is a deficient number, since it is larger than the sum of its proper divisors (760964730877312).

860221000122068 is a wasteful number, since it uses less digits than its factorization.

860221000122068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16542711540826 (or 16542711540824 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

It can be divided in two parts, 860221000 and 122068, that added together give a palindrome (860343068).

The spelling of 860221000122068 in words is "eight hundred sixty trillion, two hundred twenty-one billion, one hundred twenty-two thousand, sixty-eight".

Divisors: 1 2 4 13 26 52 16542711540809 33085423081618 66170846163236 215055250030517 430110500061034 860221000122068