Base | Representation |
---|---|
bin | 11101101010001001101101… |
… | …111000100000101100000101 |
3 | 122002211221102220012221112101 |
4 | 131222021231320200230011 |
5 | 114044112110034410041 |
6 | 1141231150415352101 |
7 | 36321656543504233 |
oct | 3552115570405405 |
9 | 562757386187471 |
10 | 130440000310021 |
11 | 3862032567a586 |
12 | 12768190222631 |
13 | 57a2593053c0c |
14 | 242d4889ad953 |
15 | 101309c9dab31 |
hex | 76a26de20b05 |
130440000310021 has 8 divisors (see below), whose sum is σ = 130582648399680. Its totient is φ = 130297353768288.
The previous prime is 130440000310007. The next prime is 130440000310027. The reversal of 130440000310021 is 120013000044031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 130440000310021 - 27 = 130440000309893 is a prime.
It is a super-2 number, since 2×1304400003100212 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130440000310027) 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, 275589450 + ... + 276062356.
It is an arithmetic number, because the mean of its divisors is an integer number (16322831049960).
Almost surely, 2130440000310021 is an apocalyptic number.
It is an amenable number.
130440000310021 is a deficient number, since it is larger than the sum of its proper divisors (142648089659).
130440000310021 is an equidigital number, since it uses as much as digits as its factorization.
130440000310021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 773963.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 130440000310021 its reverse (120013000044031), we get a palindrome (250453000354052).
The spelling of 130440000310021 in words is "one hundred thirty trillion, four hundred forty billion, three hundred ten thousand, twenty-one".
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