Search a number
-
+
2040401131 = 17911398889
BaseRepresentation
bin111100110011110…
…0000110011101011
312021012101010011021
41321213200303223
513134320314011
6534244513311
7101364060226
oct17147406353
95235333137
102040401131
1195783162a
1248b3ab837
13266951662
14154db45bd
15be1e3471
hex799e0ceb

2040401131 has 4 divisors (see below), whose sum is σ = 2051800200. Its totient is φ = 2029002064.

The previous prime is 2040401119. The next prime is 2040401137. The reversal of 2040401131 is 1311040402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2040401131 - 27 = 2040401003 is a prime.

It is a super-2 number, since 2×20404011312 = 8326473550772158322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2040401137) 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, 5699266 + ... + 5699623.

It is an arithmetic number, because the mean of its divisors is an integer number (512950050).

Almost surely, 22040401131 is an apocalyptic number.

2040401131 is a deficient number, since it is larger than the sum of its proper divisors (11399069).

2040401131 is a wasteful number, since it uses less digits than its factorization.

2040401131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11399068.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2040401131 is about 45170.7995390828. The cubic root of 2040401131 is about 1268.3482631559.

Adding to 2040401131 its reverse (1311040402), we get a palindrome (3351441533).

The spelling of 2040401131 in words is "two billion, forty million, four hundred one thousand, one hundred thirty-one".

Divisors: 1 179 11398889 2040401131