Base | Representation |
---|---|
bin | 10010101000001110… |
… | …110011011011010010 |
3 | 1220121222220020121120 |
4 | 102220032303123102 |
5 | 311431043302010 |
6 | 13104451103110 |
7 | 1305450634650 |
oct | 225016633322 |
9 | 56558806546 |
10 | 20002322130 |
11 | 853487573a |
12 | 3a628a1a96 |
13 | 1b6a00b88b |
14 | d7a72bdd0 |
15 | 7c1078e70 |
hex | 4a83b36d2 |
20002322130 has 128 divisors (see below), whose sum is σ = 55494512640. Its totient is φ = 4519568640.
The previous prime is 20002322113. The next prime is 20002322159. The reversal of 20002322130 is 3122320002.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
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 63 ways as a sum of consecutive naturals, for example, 18851800 + ... + 18852860.
It is an arithmetic number, because the mean of its divisors is an integer number (433550880).
Almost surely, 220002322130 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20002322130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27747256320).
20002322130 is an abundant number, since it is smaller than the sum of its proper divisors (35492190510).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20002322130 is a wasteful number, since it uses less digits than its factorization.
20002322130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2024.
The product of its (nonzero) digits is 144, while the sum is 15.
Adding to 20002322130 its reverse (3122320002), we get a palindrome (23124642132).
The spelling of 20002322130 in words is "twenty billion, two million, three hundred twenty-two thousand, one hundred thirty".
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