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1111330045 = 572191811319
BaseRepresentation
bin100001000111101…
…1000110011111101
32212110011102020001
41002033120303331
54234000030140
6302135354301
736353102200
oct10217306375
92773142201
101111330045
11520353791
12270222991
13149319a57
14a784b937
1567872e9a
hex423d8cfd

1111330045 has 48 divisors (see below), whose sum is σ = 1643241600. Its totient is φ = 717413760.

The previous prime is 1111329997. The next prime is 1111330049. The reversal of 1111330045 is 5400331111.

It is not a de Polignac number, because 1111330045 - 29 = 1111329533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111330049) 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 47 ways as a sum of consecutive naturals, for example, 841896 + ... + 843214.

It is an arithmetic number, because the mean of its divisors is an integer number (34234200).

Almost surely, 21111330045 is an apocalyptic number.

It is an amenable number.

1111330045 is a deficient number, since it is larger than the sum of its proper divisors (531911555).

1111330045 is a wasteful number, since it uses less digits than its factorization.

1111330045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538 (or 1531 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1111330045 is about 33336.6171799119. The cubic root of 1111330045 is about 1035.8121920333.

Adding to 1111330045 its reverse (5400331111), we get a palindrome (6511661156).

The spelling of 1111330045 in words is "one billion, one hundred eleven million, three hundred thirty thousand, forty-five".

Divisors: 1 5 7 19 35 49 95 133 181 245 665 905 931 1267 1319 3439 4655 6335 6595 8869 9233 17195 24073 25061 44345 46165 64631 120365 125305 168511 175427 238739 323155 842555 877135 1193695 1227989 1671173 4536041 6139945 8355865 11698211 22680205 31752287 58491055 158761435 222266009 1111330045