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8555051420 = 225427752571
BaseRepresentation
bin1111111011110101…
…11011100110011100
3211002012211122022022
413331322323212130
5120010043121140
63532524235312
7422000510606
oct77572734634
924065748268
108555051420
1136a0115833
1217a909bb38
13a64531906
145b22b0176
153510da0b5
hex1fdebb99c

8555051420 has 12 divisors (see below), whose sum is σ = 17965608024. Its totient is φ = 3422020560.

The previous prime is 8555051413. The next prime is 8555051443. The reversal of 8555051420 is 241505558.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213876266 + ... + 213876305.

It is an arithmetic number, because the mean of its divisors is an integer number (1497134002).

Almost surely, 28555051420 is an apocalyptic number.

It is an amenable number.

8555051420 is an abundant number, since it is smaller than the sum of its proper divisors (9410556604).

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

8555051420 is a wasteful number, since it uses less digits than its factorization.

8555051420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427752580 (or 427752578 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 35.

The square root of 8555051420 is about 92493.5209622815. The cubic root of 8555051420 is about 2045.2239734126.

Adding to 8555051420 its reverse (241505558), we get a palindrome (8796556978).

The spelling of 8555051420 in words is "eight billion, five hundred fifty-five million, fifty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 427752571 855505142 1711010284 2138762855 4277525710 8555051420