Base | Representation |
---|---|
bin | 1011001100100010011001… |
… | …1011100001110101010101 |
3 | 1121120211022112022202001222 |
4 | 2303020212123201311111 |
5 | 3103141410340133023 |
6 | 42103051240300125 |
7 | 2410240540140512 |
oct | 263104633416525 |
9 | 47524275282058 |
10 | 12310021021013 |
11 | 3a16717a43551 |
12 | 1469921171645 |
13 | 6b3aa3688a11 |
14 | 307b45996309 |
15 | 16532a240cc8 |
hex | b32266e1d55 |
12310021021013 has 8 divisors (see below), whose sum is σ = 13034362022208. Its totient is φ = 11585704699584.
The previous prime is 12310021020989. The next prime is 12310021021019. The reversal of 12310021021013 is 31012012001321.
12310021021013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12310021021013 - 226 = 12309953912149 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12310021020982 and 12310021021000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12310021021019) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5138081 + ... + 7142822.
It is an arithmetic number, because the mean of its divisors is an integer number (1629295252776).
Almost surely, 212310021021013 is an apocalyptic number.
It is an amenable number.
12310021021013 is a deficient number, since it is larger than the sum of its proper divisors (724341001195).
12310021021013 is a wasteful number, since it uses less digits than its factorization.
12310021021013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12339883.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 12310021021013 its reverse (31012012001321), we get a palindrome (43322033022334).
The spelling of 12310021021013 in words is "twelve trillion, three hundred ten billion, twenty-one million, twenty-one thousand, thirteen".
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