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10212000013321 = 17794957387229
BaseRepresentation
bin1001010010011010101010…
…1000100001110000001001
31100011020221211122202221121
42110212222220201300021
52314303134000411241
633415154505035241
72102535610622011
oct224465250416011
940136854582847
1010212000013321
1132879808658a7
12118b1a2185b21
13590cab6152a2
14274398c32c41
1512a986b3bad1
hex949aaa21c09

10212000013321 has 4 divisors (see below), whose sum is σ = 10212057578500. Its totient is φ = 10211942448144.

The previous prime is 10212000013289. The next prime is 10212000013331. The reversal of 10212000013321 is 12331000021201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4594317886096 + 5617682127225 = 2143436^2 + 2370165^2 .

It is a cyclic number.

It is not a de Polignac number, because 10212000013321 - 25 = 10212000013289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10212000013295 and 10212000013304.

It is not an unprimeable number, because it can be changed into a prime (10212000013331) 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 3 ways as a sum of consecutive naturals, for example, 28515666 + ... + 28871563.

It is an arithmetic number, because the mean of its divisors is an integer number (2553014394625).

Almost surely, 210212000013321 is an apocalyptic number.

It is an amenable number.

10212000013321 is a deficient number, since it is larger than the sum of its proper divisors (57565179).

10212000013321 is an equidigital number, since it uses as much as digits as its factorization.

10212000013321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57565178.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10212000013321 its reverse (12331000021201), we get a palindrome (22543000034522).

The spelling of 10212000013321 in words is "ten trillion, two hundred twelve billion, thirteen thousand, three hundred twenty-one".

Divisors: 1 177949 57387229 10212000013321