Search a number
-
+
2638098593 = 13296997609
BaseRepresentation
bin1001110100111110…
…0011000010100001
320210212001021221022
42131033203002201
520400323123333
61113435335225
7122242316354
oct23517430241
96725037838
102638098593
111134157579
126175b1515
133307221b0
141b051c29b
15106908c98
hex9d3e30a1

2638098593 has 8 divisors (see below), whose sum is σ = 2938996200. Its totient is φ = 2351196288.

The previous prime is 2638098583. The next prime is 2638098613. The reversal of 2638098593 is 3958908362.

It can be written as a sum of positive squares in 4 ways, for example, as 9690769 + 2628407824 = 3113^2 + 51268^2 .

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 2638098593 - 230 = 1564356769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2638098503) 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, 3498428 + ... + 3499181.

It is an arithmetic number, because the mean of its divisors is an integer number (367374525).

Almost surely, 22638098593 is an apocalyptic number.

It is an amenable number.

2638098593 is a deficient number, since it is larger than the sum of its proper divisors (300897607).

2638098593 is a wasteful number, since it uses less digits than its factorization.

2638098593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6997651.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The square root of 2638098593 is about 51362.4239400751. The cubic root of 2638098593 is about 1381.7527600715.

The spelling of 2638098593 in words is "two billion, six hundred thirty-eight million, ninety-eight thousand, five hundred ninety-three".

Divisors: 1 13 29 377 6997609 90968917 202930661 2638098593