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9368497681 = 15126412
BaseRepresentation
bin10001011100110011…
…11110111000010001
3220011220110222210121
420232121332320101
5123141313411211
64145343230241
7451105626214
oct105631767021
926156428717
109368497681
113a782aaa74
1219955a8381
13b63c11b6a
1464c33977b
1539c71b271
hex22e67ee11

9368497681 has 9 divisors (see below), whose sum is σ = 9445687419. Its totient is φ = 9291936000.

The previous prime is 9368497661. The next prime is 9368497709. The reversal of 9368497681 is 1867948639.

The square root of 9368497681 is 96791.

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

It can be written as a sum of positive squares in only one way, i.e., 8456457681 + 912040000 = 91959^2 + 30200^2 .

It is not a de Polignac number, because 9368497681 - 225 = 9334943249 is a prime.

It is a super-2 number, since 2×93684976812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9368497661) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14615121 + ... + 14615761.

Almost surely, 29368497681 is an apocalyptic number.

9368497681 is the 96791-st square number.

9368497681 is the 48396-th centered octagonal number.

It is an amenable number.

9368497681 is a deficient number, since it is larger than the sum of its proper divisors (77189738).

9368497681 is an frugal number, since it uses more digits than its factorization.

9368497681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584 (or 792 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 61.

The cubic root of 9368497681 is about 2108.0940599956.

The spelling of 9368497681 in words is "nine billion, three hundred sixty-eight million, four hundred ninety-seven thousand, six hundred eighty-one".

Divisors: 1 151 641 22801 96791 410881 14615441 62043031 9368497681