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40021113041 = 721362827493
BaseRepresentation
bin100101010001011100…
…011011100011010001
310211022010210012010222
4211101130123203101
51123430401104131
630215131202425
72614521563600
oct452134334321
9124263705128
1040021113041
1115a77969638
12790aba6415
133a0a5654a0
141d19305a37
1510937a787b
hex95171b8d1

40021113041 has 12 divisors (see below), whose sum is σ = 50136340212. Its totient is φ = 31665055968.

The previous prime is 40021113029. The next prime is 40021113047. The reversal of 40021113041 is 14031112004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13082784400 + 26938328641 = 114380^2 + 164129^2 .

It is not a de Polignac number, because 40021113041 - 210 = 40021112017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40021113047) 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, 31413110 + ... + 31414383.

It is an arithmetic number, because the mean of its divisors is an integer number (4178028351).

Almost surely, 240021113041 is an apocalyptic number.

It is an amenable number.

40021113041 is a deficient number, since it is larger than the sum of its proper divisors (10115227171).

40021113041 is a wasteful number, since it uses less digits than its factorization.

40021113041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62827520 (or 62827513 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 40021113041 its reverse (14031112004), we get a palindrome (54052225045).

The spelling of 40021113041 in words is "forty billion, twenty-one million, one hundred thirteen thousand, forty-one".

Divisors: 1 7 13 49 91 637 62827493 439792451 816757409 3078547157 5717301863 40021113041