Search a number
-
+
130440241320021 = 3289183188938691
BaseRepresentation
bin11101101010001001111100…
…001111111001000001010101
3122002211222001200201112002200
4131222021330033321001111
5114044113103234220041
61141231230345155113
736321665531164263
oct3552117417710125
9562758050645080
10130440241320021
11386204397229a6
1212768238a8ba99
1357a2600c69699
14242d4ac9c9433
1510130b3c461b6
hex76a27c3f9055

130440241320021 has 24 divisors (see below), whose sum is σ = 190634749980480. Its totient is φ = 85936119825600.

The previous prime is 130440241319981. The next prime is 130440241320091. The reversal of 130440241320021 is 120023142044031.

130440241320021 is a `hidden beast` number, since 1 + 3 + 0 + 4 + 40 + 2 + 413 + 200 + 2 + 1 = 666.

It is not a de Polignac number, because 130440241320021 - 26 = 130440241319957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130440241320091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43002715 + ... + 45935976.

It is an arithmetic number, because the mean of its divisors is an integer number (7943114582520).

Almost surely, 2130440241320021 is an apocalyptic number.

It is an amenable number.

130440241320021 is a deficient number, since it is larger than the sum of its proper divisors (60194508660459).

130440241320021 is a wasteful number, since it uses less digits than its factorization.

130440241320021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88940617 (or 88940614 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 130440241320021 its reverse (120023142044031), we get a palindrome (250463383364052).

The spelling of 130440241320021 in words is "one hundred thirty trillion, four hundred forty billion, two hundred forty-one million, three hundred twenty thousand, twenty-one".

Divisors: 1 3 9 89 267 801 1831 5493 16479 162959 488877 1466631 88938691 266816073 800448219 7915543499 23746630497 71239891491 162846743221 488540229663 1465620688989 14493360146669 43480080440007 130440241320021