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1193045189 = 72103236387
BaseRepresentation
bin100011100011100…
…0110110011000101
310002010220222022212
41013013012303011
54420404421224
6314215033205
741364500600
oct10707066305
93063828285
101193045189
11562496566
1229366b805
1316022a9cb
14b463d337
156eb14d0e
hex471c6cc5

1193045189 has 12 divisors (see below), whose sum is σ = 1401308064. Its totient is φ = 1012677624.

The previous prime is 1193045177. The next prime is 1193045197. The reversal of 1193045189 is 9815403911.

It is not a de Polignac number, because 1193045189 - 24 = 1193045173 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1193045129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113147 + ... + 123240.

It is an arithmetic number, because the mean of its divisors is an integer number (116775672).

Almost surely, 21193045189 is an apocalyptic number.

It is an amenable number.

1193045189 is a deficient number, since it is larger than the sum of its proper divisors (208262875).

1193045189 is a wasteful number, since it uses less digits than its factorization.

1193045189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236504 (or 236497 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 41.

The square root of 1193045189 is about 34540.4862299302. The cubic root of 1193045189 is about 1060.6016487724.

The spelling of 1193045189 in words is "one billion, one hundred ninety-three million, forty-five thousand, one hundred eighty-nine".

Divisors: 1 7 49 103 721 5047 236387 1654709 11582963 24347861 170435027 1193045189