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20003142004 = 2217997295049
BaseRepresentation
bin10010101000010001…
…111011100101110100
31220122001102220021021
4102220101323211310
5311431301021004
613104520430524
71305460621156
oct225021734564
956561386237
1020003142004
11853528571a
123a63018444
131b6a237b01
14d7a8a2ad6
157c118bd54
hex4a847b974

20003142004 has 24 divisors (see below), whose sum is σ = 37101947400. Its totient is φ = 9403769856.

The previous prime is 20003142001. The next prime is 20003142017. The reversal of 20003142004 is 40024130002.

It can be written as a sum of positive squares in 4 ways, for example, as 11119702500 + 8883439504 = 105450^2 + 94252^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003142001) 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, 79729 + ... + 215320.

It is an arithmetic number, because the mean of its divisors is an integer number (1545914475).

Almost surely, 220003142004 is an apocalyptic number.

It is an amenable number.

20003142004 is a deficient number, since it is larger than the sum of its proper divisors (17098805396).

20003142004 is a wasteful number, since it uses less digits than its factorization.

20003142004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296067 (or 296065 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20003142004 its reverse (40024130002), we get a palindrome (60027272006).

The spelling of 20003142004 in words is "twenty billion, three million, one hundred forty-two thousand, four".

Divisors: 1 2 4 17 34 68 997 1994 3988 16949 33898 67796 295049 590098 1180196 5015833 10031666 20063332 294163853 588327706 1176655412 5000785501 10001571002 20003142004