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8740738081 = 179183126669
BaseRepresentation
bin10000010001111110…
…10001010000100001
3211120011020111112001
420020333101100201
5120400112104311
64003200204001
7426414022255
oct101077212041
924504214461
108740738081
113785a11989
12183b309601
13a93b46c8a
145ccc08265
153625684c1
hex208fd1421

8740738081 has 8 divisors (see below), whose sum is σ = 8794699200. Its totient is φ = 8686834320.

The previous prime is 8740738079. The next prime is 8740738099. The reversal of 8740738081 is 1808370478.

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 8740738081 - 21 = 8740738079 is a prime.

It is a super-2 number, since 2×87407380812 (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 (8740718081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314415 + ... + 341083.

It is an arithmetic number, because the mean of its divisors is an integer number (1099337400).

Almost surely, 28740738081 is an apocalyptic number.

It is an amenable number.

8740738081 is a deficient number, since it is larger than the sum of its proper divisors (53961119).

8740738081 is a wasteful number, since it uses less digits than its factorization.

8740738081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28679.

The product of its (nonzero) digits is 301056, while the sum is 46.

The square root of 8740738081 is about 93491.9145220591. The cubic root of 8740738081 is about 2059.9153263497.

The spelling of 8740738081 in words is "eight billion, seven hundred forty million, seven hundred thirty-eight thousand, eighty-one".

Divisors: 1 179 1831 26669 327749 4773751 48830939 8740738081