Search a number
-
+
1200130103 = 10331161791
BaseRepresentation
bin100011110001000…
…1000100000110111
310002122020221000002
41013202020200313
54424213130403
6315030541515
741511636404
oct10742104067
93078227002
101200130103
11566495567
12295b0789b
1316183b773
14b55652ab
1570564188
hex47888837

1200130103 has 4 divisors (see below), whose sum is σ = 1201292928. Its totient is φ = 1198967280.

The previous prime is 1200130097. The next prime is 1200130123. The reversal of 1200130103 is 3010310021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1200130103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200130123) 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 3 ways as a sum of consecutive naturals, for example, 579863 + ... + 581928.

It is an arithmetic number, because the mean of its divisors is an integer number (300323232).

Almost surely, 21200130103 is an apocalyptic number.

1200130103 is a deficient number, since it is larger than the sum of its proper divisors (1162825).

1200130103 is a wasteful number, since it uses less digits than its factorization.

1200130103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162824.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1200130103 is about 34642.8939755327. The cubic root of 1200130103 is about 1062.6969719803.

Adding to 1200130103 its reverse (3010310021), we get a palindrome (4210440124).

The spelling of 1200130103 in words is "one billion, two hundred million, one hundred thirty thousand, one hundred three".

Divisors: 1 1033 1161791 1200130103