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130440012010421 = 460919282999859
BaseRepresentation
bin11101101010001001101110…
…100101001001001110110101
3122002211221110201020101110112
4131222021232211021032311
5114044112121033313141
61141231151514232405
736321660045115211
oct3552115645111665
9562757421211415
10130440012010421
1138620331241233
1212768194125705
1357a25955bc729
14242d48a377941
15101309da4c7eb
hex76a26e9493b5

130440012010421 has 4 divisors (see below), whose sum is σ = 130440295471200. Its totient is φ = 130439728549644.

The previous prime is 130440012010403. The next prime is 130440012010447. The reversal of 130440012010421 is 124010210044031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 130440012010421 - 214 = 130440011994037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130440012012421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141039011 + ... + 141960848.

It is an arithmetic number, because the mean of its divisors is an integer number (32610073867800).

Almost surely, 2130440012010421 is an apocalyptic number.

It is an amenable number.

130440012010421 is a deficient number, since it is larger than the sum of its proper divisors (283460779).

130440012010421 is an equidigital number, since it uses as much as digits as its factorization.

130440012010421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283460778.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 130440012010421 its reverse (124010210044031), we get a palindrome (254450222054452).

The spelling of 130440012010421 in words is "one hundred thirty trillion, four hundred forty billion, twelve million, ten thousand, four hundred twenty-one".

Divisors: 1 460919 282999859 130440012010421