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20424315004064 = 251968732420371
BaseRepresentation
bin1001010010011011010000…
…00010100110010010100000
32200022112201122000001200122
410221031220002212102200
510134112444120112224
6111234444545135412
74205415365033366
oct451155002462240
980275648001618
1020424315004064
1165649a33a4914
12235a45192a568
13b5200a27063a
14508783817636
1525643b24515e
hex1293680a64a0

20424315004064 has 24 divisors (see below), whose sum is σ = 40212413887968. Its totient is φ = 10211638461120.

The previous prime is 20424315004061. The next prime is 20424315004087. The reversal of 20424315004064 is 46040051342402.

It is not an unprimeable number, because it can be changed into a prime (20424315004061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15580202 + ... + 16840169.

It is an arithmetic number, because the mean of its divisors is an integer number (1675517245332).

Almost surely, 220424315004064 is an apocalyptic number.

It is an amenable number.

20424315004064 is a deficient number, since it is larger than the sum of its proper divisors (19788098883904).

20424315004064 is a wasteful number, since it uses less digits than its factorization.

20424315004064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32440068 (or 32440060 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 20424315004064 its reverse (46040051342402), we get a palindrome (66464366346466).

The spelling of 20424315004064 in words is "twenty trillion, four hundred twenty-four billion, three hundred fifteen million, four thousand, sixty-four".

Divisors: 1 2 4 8 16 32 19687 39374 78748 157496 314992 629984 32420371 64840742 129681484 259362968 518725936 1037451872 638259843877 1276519687754 2553039375508 5106078751016 10212157502032 20424315004064