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9424987091 = 131069678203
BaseRepresentation
bin10001100011100010…
…11110001111010011
3220022211202221200222
420301301132033103
5123300244041331
64155122103255
7452363032322
oct106161361723
926284687628
109424987091
113aa7183333
1219b04aab2b
13b7282cc50
14655a420b9
153a2678b7b
hex231c5e3d3

9424987091 has 8 divisors (see below), whose sum is σ = 10159495920. Its totient is φ = 8691836832.

The previous prime is 9424987079. The next prime is 9424987093. The reversal of 9424987091 is 1907894249.

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 9424987091 - 230 = 8351245267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9424987093) 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, 325205 + ... + 352998.

It is an arithmetic number, because the mean of its divisors is an integer number (1269936990).

Almost surely, 29424987091 is an apocalyptic number.

9424987091 is a deficient number, since it is larger than the sum of its proper divisors (734508829).

9424987091 is a wasteful number, since it uses less digits than its factorization.

9424987091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679285.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 9424987091 is about 97082.3727099827. The cubic root of 9424987091 is about 2112.3226440089.

The spelling of 9424987091 in words is "nine billion, four hundred twenty-four million, nine hundred eighty-seven thousand, ninety-one".

Divisors: 1 13 1069 13897 678203 8816639 724999007 9424987091