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2040423103 = 9811207973
BaseRepresentation
bin111100110011110…
…0110001010111111
312021012102020022001
41321213212022333
513134322014403
6534245203131
7101364211255
oct17147461277
95235366261
102040423103
11957847094
1248b4004a7
1326695b664
14154dbc5d5
15be1e9c1d
hex799e62bf

2040423103 has 4 divisors (see below), whose sum is σ = 2040640888. Its totient is φ = 2040205320.

The previous prime is 2040423089. The next prime is 2040423107. The reversal of 2040423103 is 3013240402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3013240402 = 21506620201.

It is a cyclic number.

It is not a de Polignac number, because 2040423103 - 217 = 2040292031 is a prime.

It is a super-2 number, since 2×20404231032 = 8326652878512297218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040423107) 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, 94176 + ... + 113797.

It is an arithmetic number, because the mean of its divisors is an integer number (510160222).

Almost surely, 22040423103 is an apocalyptic number.

2040423103 is a deficient number, since it is larger than the sum of its proper divisors (217785).

2040423103 is an equidigital number, since it uses as much as digits as its factorization.

2040423103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217784.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2040423103 is about 45171.0427486460. The cubic root of 2040423103 is about 1268.3528158633.

Adding to 2040423103 its reverse (3013240402), we get a palindrome (5053663505).

The spelling of 2040423103 in words is "two billion, forty million, four hundred twenty-three thousand, one hundred three".

Divisors: 1 9811 207973 2040423103