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20423441113 = 173473462187
BaseRepresentation
bin10011000001010101…
…001111101011011001
31221201100022022020221
4103001111033223121
5313311400103423
613214333120041
71322053246045
oct230125175331
957640268227
1020423441113
118730555659
123b5b929021
131c063359ca
14dba62d025
157e800ee5d
hex4c154fad9

20423441113 has 8 divisors (see below), whose sum is σ = 21687145632. Its totient is φ = 19166661696.

The previous prime is 20423440997. The next prime is 20423441117. The reversal of 20423441113 is 31114432402.

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

It is not a de Polignac number, because 20423441113 - 213 = 20423432921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20423441117) 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, 1725195 + ... + 1736992.

It is an arithmetic number, because the mean of its divisors is an integer number (2710893204).

Almost surely, 220423441113 is an apocalyptic number.

It is an amenable number.

20423441113 is a deficient number, since it is larger than the sum of its proper divisors (1263704519).

20423441113 is a wasteful number, since it uses less digits than its factorization.

20423441113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3462551.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 20423441113 its reverse (31114432402), we get a palindrome (51537873515).

The spelling of 20423441113 in words is "twenty billion, four hundred twenty-three million, four hundred forty-one thousand, one hundred thirteen".

Divisors: 1 17 347 5899 3462187 58857179 1201378889 20423441113