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20482581701 = 61733197053
BaseRepresentation
bin10011000100110110…
…110110010011000101
31221212110120221220002
4103010312312103011
5313422020103301
613224244451045
71323402033431
oct230466662305
957773527802
1020482581701
11876097987a
123b776a9a85
131c1567173a
14dc44259c1
157ed2e316b
hex4c4db64c5

20482581701 has 4 divisors (see below), whose sum is σ = 20515779372. Its totient is φ = 20449384032.

The previous prime is 20482581653. The next prime is 20482581727. The reversal of 20482581701 is 10718528402.

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 3897005476 + 16585576225 = 62426^2 + 128785^2 .

It is a cyclic number.

It is not a de Polignac number, because 20482581701 - 214 = 20482565317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20482581731) 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 3 ways as a sum of consecutive naturals, for example, 16597910 + ... + 16599143.

It is an arithmetic number, because the mean of its divisors is an integer number (5128944843).

Almost surely, 220482581701 is an apocalyptic number.

It is an amenable number.

20482581701 is a deficient number, since it is larger than the sum of its proper divisors (33197671).

20482581701 is an equidigital number, since it uses as much as digits as its factorization.

20482581701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33197670.

The product of its (nonzero) digits is 35840, while the sum is 38.

The spelling of 20482581701 in words is "twenty billion, four hundred eighty-two million, five hundred eighty-one thousand, seven hundred one".

Divisors: 1 617 33197053 20482581701