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1200200233 = 11310621241
BaseRepresentation
bin100011110001001…
…1001101000101001
310002122101111012111
41013202121220221
54424222401413
6315032242321
741512351021
oct10742315051
93078344174
101200200233
11566533221
12295b403a1
1316186466b
14b5582a81
1570579d3d
hex47899a29

1200200233 has 4 divisors (see below), whose sum is σ = 1210821588. Its totient is φ = 1189578880.

The previous prime is 1200200213. The next prime is 1200200249. The reversal of 1200200233 is 3320020021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3320020021 = 29114483449.

It can be written as a sum of positive squares in 2 ways, for example, as 61340224 + 1138860009 = 7832^2 + 33747^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200200233 - 213 = 1200192041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200200203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5310508 + ... + 5310733.

It is an arithmetic number, because the mean of its divisors is an integer number (302705397).

Almost surely, 21200200233 is an apocalyptic number.

It is an amenable number.

1200200233 is a deficient number, since it is larger than the sum of its proper divisors (10621355).

1200200233 is a wasteful number, since it uses less digits than its factorization.

1200200233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10621354.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1200200233 is about 34643.9061452371. The cubic root of 1200200233 is about 1062.7176712603.

Adding to 1200200233 its reverse (3320020021), we get a palindrome (4520220254).

The spelling of 1200200233 in words is "one billion, two hundred million, two hundred thousand, two hundred thirty-three".

Divisors: 1 113 10621241 1200200233