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555000055481 = 10091891729077
BaseRepresentation
bin10000001001110001001…
…01001100011010111001
31222001112220112000112102
420010320211030122321
533043120003233411
61102544041153145
755045263430334
oct10047045143271
91861486460472
10555000055481
111a4413076203
128b69048b7b5
134044aa686c1
141cc0da2b61b
15e684440d3b
hex813894c6b9

555000055481 has 8 divisors (see below), whose sum is σ = 555598580040. Its totient is φ = 554401628928.

The previous prime is 555000055433. The next prime is 555000055483. The reversal of 555000055481 is 184550000555.

It can be written as a sum of positive squares in 4 ways, for example, as 187835560000 + 367164495481 = 433400^2 + 605941^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 555000055481 - 26 = 555000055417 is a prime.

It is a super-2 number, since 2×5550000554812 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (555000055483) 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, 19072715 + ... + 19101791.

It is an arithmetic number, because the mean of its divisors is an integer number (69449822505).

Almost surely, 2555000055481 is an apocalyptic number.

It is an amenable number.

555000055481 is a deficient number, since it is larger than the sum of its proper divisors (598524559).

555000055481 is a wasteful number, since it uses less digits than its factorization.

555000055481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49003.

The product of its (nonzero) digits is 100000, while the sum is 38.

The spelling of 555000055481 in words is "five hundred fifty-five billion, fifty-five thousand, four hundred eighty-one".

Divisors: 1 1009 18917 29077 19087253 29338693 550049609 555000055481