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20443104113 = 229103186587
BaseRepresentation
bin10011000010100000…
…010000001101110001
31221202201022021211012
4103002200100031301
5313331413312423
613220314400305
71322412342425
oct230240201561
957681267735
1020443104113
118740665773
123b66430095
131c0a42b913
14dbd0aab85
157e9ae6078
hex4c2810371

20443104113 has 8 divisors (see below), whose sum is σ = 20552527680. Its totient is φ = 20333856240.

The previous prime is 20443104103. The next prime is 20443104137. The reversal of 20443104113 is 31140134402.

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 20443104113 - 210 = 20443103089 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 (20443104103) 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, 192806 + ... + 279392.

It is an arithmetic number, because the mean of its divisors is an integer number (2569065960).

Almost surely, 220443104113 is an apocalyptic number.

It is an amenable number.

20443104113 is a deficient number, since it is larger than the sum of its proper divisors (109423567).

20443104113 is a wasteful number, since it uses less digits than its factorization.

20443104113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87847.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20443104113 its reverse (31140134402), we get a palindrome (51583238515).

The spelling of 20443104113 in words is "twenty billion, four hundred forty-three million, one hundred four thousand, one hundred thirteen".

Divisors: 1 229 1031 86587 236099 19828423 89271197 20443104113