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711693017161 = 7219263432
BaseRepresentation
bin10100101101101000011…
…01011010000001001001
32112001000002222012210121
422112310031122001021
543130021403022121
61302540335143241
7102263262555400
oct12266415320111
92461002865717
10711693017161
11254911177545
12b5b20674b21
135215cb2a4c9
1426636252637
15137a58da141
hexa5b435a049

711693017161 has 27 divisors (see below), whose sum is σ = 873891927981. Its totient is φ = 577825023384.

The previous prime is 711693017041. The next prime is 711693017171. The reversal of 711693017161 is 161710396117.

The square root of 711693017161 is 843619.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 711693017161 - 27 = 711693017033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (711693017171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 112198156 + ... + 112204498.

It is an arithmetic number, because the mean of its divisors is an integer number (32366367703).

Almost surely, 2711693017161 is an apocalyptic number.

711693017161 is the 843619-th square number.

711693017161 is the 421810-th centered octagonal number.

It is an amenable number.

711693017161 is a deficient number, since it is larger than the sum of its proper divisors (162198910820).

711693017161 is an frugal number, since it uses more digits than its factorization.

711693017161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12738 (or 6369 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 43.

The spelling of 711693017161 in words is "seven hundred eleven billion, six hundred ninety-three million, seventeen thousand, one hundred sixty-one".

Divisors: 1 7 19 49 133 361 931 2527 6343 17689 44401 120517 310807 843619 2289823 5905333 16028761 40233649 112201327 281635543 764439331 1971448801 5351075317 14524347289 37457527219 101670431023 711693017161