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8493043331 = 311109125031
BaseRepresentation
bin1111110100011100…
…11000111010000011
3210220220011022012102
413322032120322003
5114343204341311
63522431221015
7420315451163
oct77216307203
923826138172
108493043331
113669113183
12179037776b
13a54730936
145a7d6c5a3
1534a93c43b
hex1fa398e83

8493043331 has 8 divisors (see below), whose sum is σ = 8528502528. Its totient is φ = 8457637000.

The previous prime is 8493043313. The next prime is 8493043357. The reversal of 8493043331 is 1333403948.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8493043331 is a prime.

It is a super-2 number, since 2×84930433312 (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 (8493043231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326786 + ... + 351816.

It is an arithmetic number, because the mean of its divisors is an integer number (1066062816).

Almost surely, 28493043331 is an apocalyptic number.

8493043331 is a deficient number, since it is larger than the sum of its proper divisors (35459197).

8493043331 is a wasteful number, since it uses less digits than its factorization.

8493043331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26433.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 8493043331 is about 92157.7090155783. The cubic root of 8493043331 is about 2040.2706397151.

The spelling of 8493043331 in words is "eight billion, four hundred ninety-three million, forty-three thousand, three hundred thirty-one".

Divisors: 1 311 1091 25031 339301 7784641 27308821 8493043331