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130440000310021 = 919300137472907
BaseRepresentation
bin11101101010001001101101…
…111000100000101100000101
3122002211221102220012221112101
4131222021231320200230011
5114044112110034410041
61141231150415352101
736321656543504233
oct3552115570405405
9562757386187471
10130440000310021
113862032567a586
1212768190222631
1357a2593053c0c
14242d4889ad953
15101309c9dab31
hex76a26de20b05

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".

Divisors: 1 919 300137 472907 275825903 434601533 141936888259 130440000310021