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2040412231 = 112131297147
BaseRepresentation
bin111100110011110…
…0011100001000111
312021012101200101101
41321213203201013
513134321142411
6534245040531
7101364134464
oct17147434107
95235350341
102040412231
11957839a00
1248b3b6147
13266956720
14154db866b
15be1e68c1
hex799e3847

2040412231 has 12 divisors (see below), whose sum is σ = 2415289576. Its totient is φ = 1712232720.

The previous prime is 2040412217. The next prime is 2040412243. The reversal of 2040412231 is 1322140402.

It is not a de Polignac number, because 2040412231 - 219 = 2039887943 is a prime.

It is a super-2 number, since 2×20404122312 = 8326564144828794722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2040412199 and 2040412208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040412931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 647001 + ... + 650146.

Almost surely, 22040412231 is an apocalyptic number.

2040412231 is a deficient number, since it is larger than the sum of its proper divisors (374877345).

2040412231 is a wasteful number, since it uses less digits than its factorization.

2040412231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297182 (or 1297171 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2040412231 is about 45170.9224059018. The cubic root of 2040412231 is about 1268.3505631351.

Adding to 2040412231 its reverse (1322140402), we get a palindrome (3362552633).

The spelling of 2040412231 in words is "two billion, forty million, four hundred twelve thousand, two hundred thirty-one".

Divisors: 1 11 13 121 143 1573 1297147 14268617 16862911 156954787 185492021 2040412231