Base | Representation |
---|---|
bin | 1001001001111001011110… |
… | …00000010101010111011100 |
3 | 2122021112101221012111211210 |
4 | 10210330233000111113130 |
5 | 10114312400341124040 |
6 | 110452105223544420 |
7 | 4145303250314412 |
oct | 444745700252734 |
9 | 78245357174753 |
10 | 20131300333020 |
11 | 6461700241658 |
12 | 23116b78bb110 |
13 | b304b16abc96 |
14 | 4d85082d32b2 |
15 | 24d9dbe53480 |
hex | 124f2f0155dc |
20131300333020 has 48 divisors (see below), whose sum is σ = 57431181336480. Its totient is φ = 5267057193216.
The previous prime is 20131300333019. The next prime is 20131300333043. The reversal of 20131300333020 is 2033300313102.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3165295615 + ... + 3165301974.
It is an arithmetic number, because the mean of its divisors is an integer number (1196482944510).
Almost surely, 220131300333020 is an apocalyptic number.
20131300333020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20131300333020 is an abundant number, since it is smaller than the sum of its proper divisors (37299881003460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20131300333020 is a wasteful number, since it uses less digits than its factorization.
20131300333020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6330597654 (or 6330597652 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 20131300333020 its reverse (2033300313102), we get a palindrome (22164600646122).
The spelling of 20131300333020 in words is "twenty trillion, one hundred thirty-one billion, three hundred million, three hundred thirty-three thousand, twenty".
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