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7709135090831 = 19481384301673
BaseRepresentation
bin111000000101110110001…
…0000100011010010001111
31000021222121212202001220122
41300023230100203102033
52002301302040401311
624221305555335155
71423652361040466
oct160135420432217
930258555661818
107709135090831
112502475866989
12a460b98b14bb
1343bc78524555
141c91a48799dd
15d57eb76a0db
hex702ec42348f

7709135090831 has 8 divisors (see below), whose sum is σ = 8116565172720. Its totient is φ = 7301873621952.

The previous prime is 7709135090807. The next prime is 7709135090861. The reversal of 7709135090831 is 1380905319077.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7709135090831 - 210 = 7709135089807 is a prime.

It is a super-2 number, since 2×77091350908312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7709135090861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42059390 + ... + 42242283.

It is an arithmetic number, because the mean of its divisors is an integer number (1014570646590).

Almost surely, 27709135090831 is an apocalyptic number.

7709135090831 is a deficient number, since it is larger than the sum of its proper divisors (407430081889).

7709135090831 is a wasteful number, since it uses less digits than its factorization.

7709135090831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84306505.

The product of its (nonzero) digits is 1428840, while the sum is 53.

The spelling of 7709135090831 in words is "seven trillion, seven hundred nine billion, one hundred thirty-five million, ninety thousand, eight hundred thirty-one".

Divisors: 1 19 4813 91447 84301673 1601731787 405743952149 7709135090831