Base | Representation |
---|---|
bin | 1001001001111001100000… |
… | …01111001011000111011010 |
3 | 2122021112110101002112011200 |
4 | 10210330300033023013122 |
5 | 10114312421134003120 |
6 | 110452111242535030 |
7 | 4145303621063244 |
oct | 444746017130732 |
9 | 78245411075150 |
10 | 20131321000410 |
11 | 6461710978344 |
12 | 2311702807476 |
13 | b304b5a670c9 |
14 | 4d850ad53094 |
15 | 24d9ddb86e90 |
hex | 124f303cb1da |
20131321000410 has 96 divisors (see below), whose sum is σ = 52787986625088. Its totient is φ = 5322625102080.
The previous prime is 20131321000363. The next prime is 20131321000447. The reversal of 20131321000410 is 1400012313102.
20131321000410 is a `hidden beast` number, since 20 + 1 + 3 + 132 + 100 + 0 + 410 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12479934 + ... + 14000406.
It is an arithmetic number, because the mean of its divisors is an integer number (549874860678).
Almost surely, 220131321000410 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20131321000410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26393993312544).
20131321000410 is an abundant number, since it is smaller than the sum of its proper divisors (32656665624678).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20131321000410 is a wasteful number, since it uses less digits than its factorization.
20131321000410 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1521740 (or 1521737 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 20131321000410 its reverse (1400012313102), we get a palindrome (21531333313512).
The spelling of 20131321000410 in words is "twenty trillion, one hundred thirty-one billion, three hundred twenty-one million, four hundred ten", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •