Search a number
-
+
9045641593 = 25735197049
BaseRepresentation
bin10000110110010100…
…11000100101111001
3212100101222012111201
420123022120211321
5122011141012333
64053331254201
7440105453632
oct103312304571
925311865451
109045641593
11392203545a
12190544a361
13b12070961
1461b4d6889
1537e1e517d
hex21b298979

9045641593 has 4 divisors (see below), whose sum is σ = 9080838900. Its totient is φ = 9010444288.

The previous prime is 9045641587. The next prime is 9045641603. The reversal of 9045641593 is 3951465409.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3951465409 = 35311193953.

It can be written as a sum of positive squares in 2 ways, for example, as 7031157904 + 2014483689 = 83852^2 + 44883^2 .

It is a cyclic number.

It is not a de Polignac number, because 9045641593 - 229 = 8508770681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9045641513) 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, 17598268 + ... + 17598781.

It is an arithmetic number, because the mean of its divisors is an integer number (2270209725).

Almost surely, 29045641593 is an apocalyptic number.

It is an amenable number.

9045641593 is a deficient number, since it is larger than the sum of its proper divisors (35197307).

9045641593 is a wasteful number, since it uses less digits than its factorization.

9045641593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35197306.

The product of its (nonzero) digits is 583200, while the sum is 46.

The square root of 9045641593 is about 95108.5779149284. The cubic root of 9045641593 is about 2083.5941305826.

The spelling of 9045641593 in words is "nine billion, forty-five million, six hundred forty-one thousand, five hundred ninety-three".

Divisors: 1 257 35197049 9045641593