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20444006246 = 264385318637
BaseRepresentation
bin10011000010100011…
…101100011101100110
31221202210000010022112
4103002203230131212
5313332131144441
613220350001022
71322423120516
oct230243543546
957683003275
1020444006246
118741121534
123b667a6172
131c0a686421
14dbd263846
157e9c234eb
hex4c28ec766

20444006246 has 16 divisors (see below), whose sum is σ = 30751358064. Its totient is φ = 10193593824.

The previous prime is 20444006243. The next prime is 20444006249. The reversal of 20444006246 is 64260044402.

It is an interprime number because it is at equal distance from previous prime (20444006243) and next prime (20444006249).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20444006243) 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 7 ways as a sum of consecutive naturals, for example, 1087640 + ... + 1106276.

It is an arithmetic number, because the mean of its divisors is an integer number (1921959879).

Almost surely, 220444006246 is an apocalyptic number.

20444006246 is a deficient number, since it is larger than the sum of its proper divisors (10307351818).

20444006246 is a wasteful number, since it uses less digits than its factorization.

20444006246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20135.

The product of its (nonzero) digits is 36864, while the sum is 32.

The spelling of 20444006246 in words is "twenty billion, four hundred forty-four million, six thousand, two hundred forty-six".

Divisors: 1 2 643 853 1286 1706 18637 37274 548479 1096958 11983591 15897361 23967182 31794722 10222003123 20444006246