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20001304442 = 271428664603
BaseRepresentation
bin10010101000001010…
…111010111101111010
31220121220222112121102
4102220022322331322
5311430313220232
613104413211402
71305436165640
oct225012727572
956556875542
1020001304442
118534240079
123a62490b62
131b69a435b2
14d7a545190
157c0e27662
hex4a82baf7a

20001304442 has 8 divisors (see below), whose sum is σ = 34287950496. Its totient is φ = 8571987612.

The previous prime is 20001304327. The next prime is 20001304469. The reversal of 20001304442 is 24440310002.

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

It is an unprimeable number.

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, 714332288 + ... + 714332315.

It is an arithmetic number, because the mean of its divisors is an integer number (4285993812).

Almost surely, 220001304442 is an apocalyptic number.

20001304442 is a deficient number, since it is larger than the sum of its proper divisors (14286646054).

20001304442 is a wasteful number, since it uses less digits than its factorization.

20001304442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428664612.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20001304442 its reverse (24440310002), we get a palindrome (44441614444).

The spelling of 20001304442 in words is "twenty billion, one million, three hundred four thousand, four hundred forty-two".

Divisors: 1 2 7 14 1428664603 2857329206 10000652221 20001304442