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7081334128531 = 13837050193089
BaseRepresentation
bin110011100001100000001…
…1001111011111110010011
3221001222011100110210200001
41213003000121323332103
51412010033014103111
623021041530110431
71330416026644315
oct147030031737623
927058140423601
107081334128531
1122901a4561993
129644b057b417
133c49c7c875c0
141a6a4a2577b5
15c4305da01c1
hex670c067bf93

7081334128531 has 16 divisors (see below), whose sum is σ = 7718124667680. Its totient is φ = 6457700736000.

The previous prime is 7081334128529. The next prime is 7081334128571. The reversal of 7081334128531 is 1358214331807.

It is a cyclic number.

It is not a de Polignac number, because 7081334128531 - 21 = 7081334128529 is a prime.

It is a super-2 number, since 2×70813341285312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7081334128571) 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 15 ways as a sum of consecutive naturals, for example, 76024035 + ... + 76117123.

It is an arithmetic number, because the mean of its divisors is an integer number (482382791730).

Almost surely, 27081334128531 is an apocalyptic number.

7081334128531 is a deficient number, since it is larger than the sum of its proper divisors (636790539149).

7081334128531 is a wasteful number, since it uses less digits than its factorization.

7081334128531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163686.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 7081334128531 in words is "seven trillion, eighty-one billion, three hundred thirty-four million, one hundred twenty-eight thousand, five hundred thirty-one".

Divisors: 1 13 83 1079 70501 93089 916513 1210157 5851583 7726387 76070579 100443031 6562867589 85317278657 544718009887 7081334128531