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1330455555 = 3251113475383
BaseRepresentation
bin100111101001101…
…0010010000000011
310102201111010220200
41033103102100003
510211044034210
6340004140243
744653454112
oct11723222003
93381433820
101330455555
11623009a50
12311697683
1318283c410
14c89abc79
157bc090c0
hex4f4d2403

1330455555 has 192 divisors, whose sum is σ = 2853107712. Its totient is φ = 564894720.

The previous prime is 1330455521. The next prime is 1330455593. The reversal of 1330455555 is 5555540331.

It is not a de Polignac number, because 1330455555 - 26 = 1330455491 is a prime.

It is a super-2 number, since 2×13304555552 = 3540223967660716050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 16029544 + ... + 16029626.

It is an arithmetic number, because the mean of its divisors is an integer number (14859936).

Almost surely, 21330455555 is an apocalyptic number.

1330455555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1330455555 is an abundant number, since it is smaller than the sum of its proper divisors (1522652157).

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

1330455555 is a wasteful number, since it uses less digits than its factorization.

1330455555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 36.

The square root of 1330455555 is about 36475.4102787069. The cubic root of 1330455555 is about 1099.8499946965.

Adding to 1330455555 its reverse (5555540331), we get a palindrome (6885995886).

The spelling of 1330455555 in words is "one billion, three hundred thirty million, four hundred fifty-five thousand, five hundred fifty-five".