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20353559341 = 77272634083
BaseRepresentation
bin10010111101001010…
…101010101100101101
31221112110210221111011
4102331022222230231
5313141002344331
613203355225221
71320244254103
oct227512525455
957473727434
1020353559341
1186a5065425
123b40448211
131bc4a08c4b
14db123bc73
157e1d093b1
hex4bd2aab2d

20353559341 has 4 divisors (see below), whose sum is σ = 20356201152. Its totient is φ = 20350917532.

The previous prime is 20353559333. The next prime is 20353559371. The reversal of 20353559341 is 14395535302.

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 a cyclic number.

It is not a de Polignac number, because 20353559341 - 23 = 20353559333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20353559294 and 20353559303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20353559311) 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, 1309315 + ... + 1324768.

It is an arithmetic number, because the mean of its divisors is an integer number (5089050288).

Almost surely, 220353559341 is an apocalyptic number.

It is an amenable number.

20353559341 is a deficient number, since it is larger than the sum of its proper divisors (2641811).

20353559341 is an equidigital number, since it uses as much as digits as its factorization.

20353559341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2641810.

The product of its (nonzero) digits is 243000, while the sum is 40.

The spelling of 20353559341 in words is "twenty billion, three hundred fifty-three million, five hundred fifty-nine thousand, three hundred forty-one".

Divisors: 1 7727 2634083 20353559341