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1200200313 = 31322367259
BaseRepresentation
bin100011110001001…
…1001101001111001
310002122101111022110
41013202121221321
54424222402223
6315032242533
741512351164
oct10742315171
93078344273
101200200313
11566533294
12295b40449
13161864700
14b5582adb
1570579d93
hex47899a79

1200200313 has 12 divisors (see below), whose sum is σ = 1732834320. Its totient is φ = 738584496.

The previous prime is 1200200297. The next prime is 1200200327. The reversal of 1200200313 is 3130020021.

It is a happy number.

It is not a de Polignac number, because 1200200313 - 24 = 1200200297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1200200383) 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, 1183123 + ... + 1184136.

It is an arithmetic number, because the mean of its divisors is an integer number (144402860).

Almost surely, 21200200313 is an apocalyptic number.

1200200313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1200200313 is a deficient number, since it is larger than the sum of its proper divisors (532634007).

1200200313 is a wasteful number, since it uses less digits than its factorization.

1200200313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367288 (or 2367275 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1200200313 is about 34643.9072998413. The cubic root of 1200200313 is about 1062.7176948723.

Adding to 1200200313 its reverse (3130020021), we get a palindrome (4330220334).

The spelling of 1200200313 in words is "one billion, two hundred million, two hundred thousand, three hundred thirteen".

Divisors: 1 3 13 39 169 507 2367259 7101777 30774367 92323101 400066771 1200200313