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1200031133 = 71311308649
BaseRepresentation
bin100011110000111…
…0000010110011101
310002122001220020112
41013201300112131
54424201444013
6315024455405
741511045020
oct10741602635
93078056215
101200031133
11566428174
12295a7a565
131618056c2
14b553b1b7
1570544ba8
hex4787059d

1200031133 has 8 divisors (see below), whose sum is σ = 1381934400. Its totient is φ = 1020745440.

The previous prime is 1200031123. The next prime is 1200031169. The reversal of 1200031133 is 3311300021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1200031133 - 210 = 1200030109 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200031123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653408 + ... + 655241.

It is an arithmetic number, because the mean of its divisors is an integer number (172741800).

Almost surely, 21200031133 is an apocalyptic number.

It is an amenable number.

1200031133 is a deficient number, since it is larger than the sum of its proper divisors (181903267).

1200031133 is a wasteful number, since it uses less digits than its factorization.

1200031133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308787.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1200031133 is about 34641.4655146112. The cubic root of 1200031133 is about 1062.6677590335.

Adding to 1200031133 its reverse (3311300021), we get a palindrome (4511331154).

The spelling of 1200031133 in words is "one billion, two hundred million, thirty-one thousand, one hundred thirty-three".

Divisors: 1 7 131 917 1308649 9160543 171433019 1200031133