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20112021310313 = 269463161481379
BaseRepresentation
bin1001001001010101100011…
…11000101100101101101001
32122012200122100022200111202
410210222301320230231221
510114003404423412223
6110435200211333545
74144021431321212
oct444526170545551
978180570280452
1020112021310313
11645450778a539
122309a172b12b5
13b2b72b4a993a
144d75d9a86409
1524d25e650428
hex124ab1e2cb69

20112021310313 has 8 divisors (see below), whose sum is σ = 20230387286400. Its totient is φ = 19993978298448.

The previous prime is 20112021310307. The next prime is 20112021310319. The reversal of 20112021310313 is 31301312021102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20112021310307) and next prime (20112021310319).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20112021310313 - 212 = 20112021306217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20112021310319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80616143 + ... + 80865236.

It is an arithmetic number, because the mean of its divisors is an integer number (2528798410800).

Almost surely, 220112021310313 is an apocalyptic number.

It is an amenable number.

20112021310313 is a deficient number, since it is larger than the sum of its proper divisors (118365976087).

20112021310313 is a wasteful number, since it uses less digits than its factorization.

20112021310313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161482111.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20112021310313 its reverse (31301312021102), we get a palindrome (51413333331415).

The spelling of 20112021310313 in words is "twenty trillion, one hundred twelve billion, twenty-one million, three hundred ten thousand, three hundred thirteen".

Divisors: 1 269 463 124547 161481379 43438490951 74765878477 20112021310313