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1359143892 = 223237753997
BaseRepresentation
bin101000100000010…
…1110001111010100
310111201110122220200
41101000232033110
510240420101032
6342511100500
745452350431
oct12100561724
93451418820
101359143892
11638223a17
1231b211730
13188775372
14cc718b88
157e4c447c
hex5102e3d4

1359143892 has 18 divisors (see below), whose sum is σ = 3435613818. Its totient is φ = 453047952.

The previous prime is 1359143873. The next prime is 1359143893. The reversal of 1359143892 is 2983419531.

It is a happy number.

1359143892 is a `hidden beast` number, since 13 + 591 + 43 + 8 + 9 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1353209796 + 5934096 = 36786^2 + 2436^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1359143893) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 18876963 + ... + 18877034.

Almost surely, 21359143892 is an apocalyptic number.

1359143892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1359143892 is an abundant number, since it is smaller than the sum of its proper divisors (2076469926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1359143892 is a wasteful number, since it uses less digits than its factorization.

1359143892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37754007 (or 37754002 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 1359143892 is about 36866.5687581581. The cubic root of 1359143892 is about 1107.6991248200.

The spelling of 1359143892 in words is "one billion, three hundred fifty-nine million, one hundred forty-three thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 37753997 75507994 113261991 151015988 226523982 339785973 453047964 679571946 1359143892