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2421320255 = 53138340787
BaseRepresentation
bin1001000001010010…
…0110101000111111
320020202010210221222
42100110212220333
514424324222010
61040133143555
7114000611504
oct22024465077
96222123858
102421320255
111032854822
12576a8abbb
132c7841ca3
1418d80d4ab
15e2888355
hex90526a3f

2421320255 has 16 divisors (see below), whose sum is σ = 3007217664. Its totient is φ = 1869630240.

The previous prime is 2421320249. The next prime is 2421320257. The reversal of 2421320255 is 5520231242.

It is not a de Polignac number, because 2421320255 - 26 = 2421320191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421320257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38972 + ... + 79758.

It is an arithmetic number, because the mean of its divisors is an integer number (187951104).

Almost surely, 22421320255 is an apocalyptic number.

2421320255 is a deficient number, since it is larger than the sum of its proper divisors (585897409).

2421320255 is a wasteful number, since it uses less digits than its factorization.

2421320255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41206.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2421320255 is about 49206.9126749484. The cubic root of 2421320255 is about 1342.8187961764.

Adding to 2421320255 its reverse (5520231242), we get a palindrome (7941551497).

The spelling of 2421320255 in words is "two billion, four hundred twenty-one million, three hundred twenty thousand, two hundred fifty-five".

Divisors: 1 5 31 155 383 1915 11873 40787 59365 203935 1264397 6321985 15621421 78107105 484264051 2421320255