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6443066075041 = 7855382021897
BaseRepresentation
bin101110111000010010010…
…1010100010011110100001
3211210221200100112012122101
41131300210222202132201
51321030344403400131
621411523110410401
71233332120004241
oct135604452423641
924727610465571
106443066075041
112064541913402
12880861960a01
1337976a02b07b
14183bbb845b21
15b28eb60ec61
hex5dc24aa27a1

6443066075041 has 4 divisors (see below), whose sum is σ = 6443148175492. Its totient is φ = 6442983974592.

The previous prime is 6443066075011. The next prime is 6443066075063. The reversal of 6443066075041 is 1405706603446.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2436343252641 + 4006722822400 = 1560879^2 + 2001680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6443066075041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6443066074982 and 6443066075000.

It is not an unprimeable number, because it can be changed into a prime (6443066075011) 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, 40932396 + ... + 41089501.

It is an arithmetic number, because the mean of its divisors is an integer number (1610787043873).

Almost surely, 26443066075041 is an apocalyptic number.

It is an amenable number.

6443066075041 is a deficient number, since it is larger than the sum of its proper divisors (82100451).

6443066075041 is an equidigital number, since it uses as much as digits as its factorization.

6443066075041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82100450.

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 6443066075041 in words is "six trillion, four hundred forty-three billion, sixty-six million, seventy-five thousand, forty-one".

Divisors: 1 78553 82021897 6443066075041