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1128008755 = 51914192819
BaseRepresentation
bin100001100111100…
…0000110000110011
32220121112210010001
41003033000300303
54302232240010
6303533050431
736644626156
oct10317006063
92817483101
101128008755
11529805745
12275926a17
1314c909503
14a9b4dc9d
1569069c3a
hex433c0c33

1128008755 has 16 divisors (see below), whose sum is σ = 1364428800. Its totient is φ = 895222240.

The previous prime is 1128008747. The next prime is 1128008771. The reversal of 1128008755 is 5578008211.

It is not a de Polignac number, because 1128008755 - 23 = 1128008747 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 398736 + ... + 401554.

It is an arithmetic number, because the mean of its divisors is an integer number (85276800).

Almost surely, 21128008755 is an apocalyptic number.

1128008755 is a deficient number, since it is larger than the sum of its proper divisors (236420045).

1128008755 is a wasteful number, since it uses less digits than its factorization.

1128008755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3434.

The product of its (nonzero) digits is 22400, while the sum is 37.

The square root of 1128008755 is about 33585.8415854062. The cubic root of 1128008755 is about 1040.9682658319.

The spelling of 1128008755 in words is "one billion, one hundred twenty-eight million, eight thousand, seven hundred fifty-five".

Divisors: 1 5 191 419 955 2095 2819 14095 80029 400145 538429 1181161 2692145 5905805 225601751 1128008755