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40700060821 = 75814294403
BaseRepresentation
bin100101111001111010…
…011010010010010101
310220001110100022102001
4211321322122102111
51131323203421241
630410343315301
72640404544310
oct457172322225
9126043308361
1040700060821
111629613a102
127a7a44bb31
133ab8113534
141d8155d977
1510d31bc431
hex979e9a495

40700060821 has 4 divisors (see below), whose sum is σ = 46514355232. Its totient is φ = 34885766412.

The previous prime is 40700060789. The next prime is 40700060833. The reversal of 40700060821 is 12806000704.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40700060821 - 25 = 40700060789 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40700060821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40700060521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2907147195 + ... + 2907147208.

It is an arithmetic number, because the mean of its divisors is an integer number (11628588808).

Almost surely, 240700060821 is an apocalyptic number.

It is an amenable number.

40700060821 is a deficient number, since it is larger than the sum of its proper divisors (5814294411).

40700060821 is an equidigital number, since it uses as much as digits as its factorization.

40700060821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5814294410.

The product of its (nonzero) digits is 2688, while the sum is 28.

The spelling of 40700060821 in words is "forty billion, seven hundred million, sixty thousand, eight hundred twenty-one".

Divisors: 1 7 5814294403 40700060821