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1313420021141 = 2591350685757
BaseRepresentation
bin10011000111001101111…
…011110000110110010101
311122120011111111011101012
4103013031323300312111
5133004341011134031
62443213221142005
7163614525655424
oct23071573606625
94576144434335
101313420021141
114670223a7758
1219267185a905
1396b164ca657
14477d9a0b2bb
1524272192b2b
hex131cdef0d95

1313420021141 has 4 divisors (see below), whose sum is σ = 1313470732812. Its totient is φ = 1313369309472.

The previous prime is 1313420021113. The next prime is 1313420021171. The reversal of 1313420021141 is 1411200243131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 966198566116 + 347221455025 = 982954^2 + 589255^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313420021141 - 218 = 1313419758997 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 (1313420021171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25316966 + ... + 25368791.

It is an arithmetic number, because the mean of its divisors is an integer number (328367683203).

Almost surely, 21313420021141 is an apocalyptic number.

It is an amenable number.

1313420021141 is a deficient number, since it is larger than the sum of its proper divisors (50711671).

1313420021141 is an equidigital number, since it uses as much as digits as its factorization.

1313420021141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50711670.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1313420021141 its reverse (1411200243131), we get a palindrome (2724620264272).

The spelling of 1313420021141 in words is "one trillion, three hundred thirteen billion, four hundred twenty million, twenty-one thousand, one hundred forty-one".

Divisors: 1 25913 50685757 1313420021141