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20041005462 = 2325712996761
BaseRepresentation
bin10010101010100010…
…010111100110010110
31220201200200120011120
4102222202113212112
5312020444133322
613112352144410
71306430510232
oct225242274626
956650616146
1020041005462
118554697035
123a73838106
131b7503401a
14d8191b5c2
157c466aa5c
hex4aa897996

20041005462 has 16 divisors (see below), whose sum is σ = 40237975152. Its totient is φ = 6654341120.

The previous prime is 20041005461. The next prime is 20041005527. The reversal of 20041005462 is 26450014002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20041005461) 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, 6496839 + ... + 6499922.

It is an arithmetic number, because the mean of its divisors is an integer number (2514873447).

Almost surely, 220041005462 is an apocalyptic number.

20041005462 is an abundant number, since it is smaller than the sum of its proper divisors (20196969690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20041005462 is a wasteful number, since it uses less digits than its factorization.

20041005462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12997023.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 20041005462 its reverse (26450014002), we get a palindrome (46491019464).

The spelling of 20041005462 in words is "twenty billion, forty-one million, five thousand, four hundred sixty-two".

Divisors: 1 2 3 6 257 514 771 1542 12996761 25993522 38990283 77980566 3340167577 6680335154 10020502731 20041005462