Base | Representation |
---|---|
bin | 1011001100001000101100… |
… | …0110101001000111000100 |
3 | 1121120011111121001010211221 |
4 | 2303002023012221013010 |
5 | 3103033242222010040 |
6 | 42055550402010124 |
7 | 2406604533310465 |
oct | 263021306510704 |
9 | 47504447033757 |
10 | 12303120110020 |
11 | 3a137a6618a23 |
12 | 1468516046944 |
13 | 6b3243a67a2c |
14 | 30768d270d6c |
15 | 16507449b74a |
hex | b308b1a91c4 |
12303120110020 has 12 divisors (see below), whose sum is σ = 25836552231084. Its totient is φ = 4921248044000.
The previous prime is 12303120110009. The next prime is 12303120110063. The reversal of 12303120110020 is 2001102130321.
It can be written as a sum of positive squares in 2 ways, for example, as 8950771502656 + 3352348607364 = 2991784^2 + 1830942^2 .
It is a junction number, because it is equal to n+sod(n) for n = 12303120109976 and 12303120110003.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307578002731 + ... + 307578002770.
It is an arithmetic number, because the mean of its divisors is an integer number (2153046019257).
Almost surely, 212303120110020 is an apocalyptic number.
12303120110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12303120110020 is an abundant number, since it is smaller than the sum of its proper divisors (13533432121064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12303120110020 is a wasteful number, since it uses less digits than its factorization.
12303120110020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 615156005510 (or 615156005508 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 12303120110020 its reverse (2001102130321), we get a palindrome (14304222240341).
The spelling of 12303120110020 in words is "twelve trillion, three hundred three billion, one hundred twenty million, one hundred ten thousand, twenty".
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