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1024143130421 = 5407189410603
BaseRepresentation
bin11101110011100111010…
…11111111111100110101
310121220111021222112012122
432321303223333330311
5113234421120133141
62102252421325325
7133664135655245
oct16716353777465
93556437875178
101024143130421
11365378109144
1214659b566845
137576512a028
14377d6a9db25
151b9910cb64b
hexee73afff35

1024143130421 has 4 divisors (see below), whose sum is σ = 1024332546432. Its totient is φ = 1023953714412.

The previous prime is 1024143130403. The next prime is 1024143130441. The reversal of 1024143130421 is 1240313414201.

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 1024143130421 - 218 = 1024142868277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024143130441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94699895 + ... + 94710708.

It is an arithmetic number, because the mean of its divisors is an integer number (256083136608).

Almost surely, 21024143130421 is an apocalyptic number.

It is an amenable number.

1024143130421 is a deficient number, since it is larger than the sum of its proper divisors (189416011).

1024143130421 is an equidigital number, since it uses as much as digits as its factorization.

1024143130421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189416010.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1024143130421 its reverse (1240313414201), we get a palindrome (2264456544622).

The spelling of 1024143130421 in words is "one trillion, twenty-four billion, one hundred forty-three million, one hundred thirty thousand, four hundred twenty-one".

Divisors: 1 5407 189410603 1024143130421