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20826725041 = 172774422749
BaseRepresentation
bin10011011001010111…
…101001101010110001
31222202110011020210201
4103121113221222301
5320123120200131
613322340555201
71335051145663
oct233127515261
958673136721
1020826725041
118918163861
1240529b2b01
131c6ba56c55
14101800a533
1581d621761
hex4d95e9ab1

20826725041 has 8 divisors (see below), whose sum is σ = 22131441000. Its totient is φ = 19530855168.

The previous prime is 20826725039. The next prime is 20826725063. The reversal of 20826725041 is 14052762802.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2860003441 + 17966721600 = 53479^2 + 134040^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20826725041 - 21 = 20826725039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20826725011) 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 7 ways as a sum of consecutive naturals, for example, 2206666 + ... + 2216083.

It is an arithmetic number, because the mean of its divisors is an integer number (2766430125).

Almost surely, 220826725041 is an apocalyptic number.

It is an amenable number.

20826725041 is a deficient number, since it is larger than the sum of its proper divisors (1304715959).

20826725041 is a wasteful number, since it uses less digits than its factorization.

20826725041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4423043.

The product of its (nonzero) digits is 53760, while the sum is 37.

The spelling of 20826725041 in words is "twenty billion, eight hundred twenty-six million, seven hundred twenty-five thousand, forty-one".

Divisors: 1 17 277 4709 4422749 75186733 1225101473 20826725041