Base | Representation |
---|---|
bin | 10011000010100000… |
… | …001111101110110010 |
3 | 1221202201022012002202 |
4 | 103002200033232302 |
5 | 313331413232010 |
6 | 13220314343202 |
7 | 1322412333563 |
oct | 230240175662 |
9 | 57681265082 |
10 | 20443102130 |
11 | 8740664230 |
12 | 3b6642ab02 |
13 | 1c0a42aa49 |
14 | dbd0aa16a |
15 | 7e9ae56a5 |
hex | 4c280fbb2 |
20443102130 has 32 divisors (see below), whose sum is σ = 40284727488. Its totient is φ = 7407576000.
The previous prime is 20443102111. The next prime is 20443102139. The reversal of 20443102130 is 3120134402.
It is a super-2 number, since 2×204431021302 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (20443102139) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297221 + ... + 359480.
It is an arithmetic number, because the mean of its divisors is an integer number (1258897734).
Almost surely, 220443102130 is an apocalyptic number.
20443102130 is a deficient number, since it is larger than the sum of its proper divisors (19841625358).
20443102130 is a wasteful number, since it uses less digits than its factorization.
20443102130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 657002.
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 20443102130 its reverse (3120134402), we get a palindrome (23563236532).
The spelling of 20443102130 in words is "twenty billion, four hundred forty-three million, one hundred two thousand, one hundred thirty".
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