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2152308793 = 3476202619
BaseRepresentation
bin1000000001001001…
…1010000000111001
312112222221121121111
42000102122000321
513401442340133
6553323240321
7104223215515
oct20022320071
95488847544
102152308793
11a04a164a8
125009790a1
13283ba40cb
14165bc5145
15c8e4b1cd
hex8049a039

2152308793 has 4 divisors (see below), whose sum is σ = 2158511760. Its totient is φ = 2146105828.

The previous prime is 2152308791. The next prime is 2152308803. The reversal of 2152308793 is 3978032512.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2152308793 - 21 = 2152308791 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2152308791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3100963 + ... + 3101656.

It is an arithmetic number, because the mean of its divisors is an integer number (539627940).

Almost surely, 22152308793 is an apocalyptic number.

It is an amenable number.

2152308793 is a deficient number, since it is larger than the sum of its proper divisors (6202967).

2152308793 is an equidigital number, since it uses as much as digits as its factorization.

2152308793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6202966.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 2152308793 is about 46392.9821524765. The cubic root of 2152308793 is about 1291.1247112798.

The spelling of 2152308793 in words is "two billion, one hundred fifty-two million, three hundred eight thousand, seven hundred ninety-three".

Divisors: 1 347 6202619 2152308793