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1128045119 = 1213929963
BaseRepresentation
bin100001100111100…
…1001101000111111
32220121121121222212
41003033021220333
54302234420434
6303533531035
736645140165
oct10317115077
92817547885
101128045119
1152982aaa3
12275943a7b
1314c91cc26
14a9b5d235
15690758ce
hex433c9a3f

1128045119 has 4 divisors (see below), whose sum is σ = 1128976296. Its totient is φ = 1127113944.

The previous prime is 1128045109. The next prime is 1128045137. The reversal of 1128045119 is 9115408211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1128045119 - 220 = 1126996543 is a prime.

It is a super-2 number, since 2×11280451192 = 2544971580999448322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128045109) 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 3 ways as a sum of consecutive naturals, for example, 463769 + ... + 466194.

It is an arithmetic number, because the mean of its divisors is an integer number (282244074).

Almost surely, 21128045119 is an apocalyptic number.

1128045119 is a deficient number, since it is larger than the sum of its proper divisors (931177).

1128045119 is an equidigital number, since it uses as much as digits as its factorization.

1128045119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931176.

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 1128045119 is about 33586.3829401143. The cubic root of 1128045119 is about 1040.9794517271.

The spelling of 1128045119 in words is "one billion, one hundred twenty-eight million, forty-five thousand, one hundred nineteen".

Divisors: 1 1213 929963 1128045119