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1143162107 = 29316718979
BaseRepresentation
bin100010000100011…
…0100010011111011
32221200001122121022
41010020310103323
54320122141412
6305233533055
740220501063
oct10410642373
92850048538
101143162107
1153731567a
1227aa1418b
13152ab38a9
14abb763a3
156a55ea72
hex442344fb

1143162107 has 16 divisors (see below), whose sum is σ = 1239014400. Its totient is φ = 1052140320.

The previous prime is 1143162091. The next prime is 1143162109. The reversal of 1143162107 is 7012613411.

It is a cyclic number.

It is not a de Polignac number, because 1143162107 - 24 = 1143162091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143162109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50744 + ... + 69722.

It is an arithmetic number, because the mean of its divisors is an integer number (77438400).

Almost surely, 21143162107 is an apocalyptic number.

1143162107 is a deficient number, since it is larger than the sum of its proper divisors (95852293).

1143162107 is a wasteful number, since it uses less digits than its factorization.

1143162107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19106.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1143162107 is about 33810.6803687829. The cubic root of 1143162107 is about 1045.6089052979.

Adding to 1143162107 its reverse (7012613411), we get a palindrome (8155775518).

The spelling of 1143162107 in words is "one billion, one hundred forty-three million, one hundred sixty-two thousand, one hundred seven".

Divisors: 1 29 31 67 899 1943 2077 18979 60233 550391 588349 1271593 17062121 36876197 39419383 1143162107