Base | Representation |
---|---|
bin | 11101101010001001101110… |
… | …100101001001001110110101 |
3 | 122002211221110201020101110112 |
4 | 131222021232211021032311 |
5 | 114044112121033313141 |
6 | 1141231151514232405 |
7 | 36321660045115211 |
oct | 3552115645111665 |
9 | 562757421211415 |
10 | 130440012010421 |
11 | 38620331241233 |
12 | 12768194125705 |
13 | 57a25955bc729 |
14 | 242d48a377941 |
15 | 101309da4c7eb |
hex | 76a26e9493b5 |
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".
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