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1200413045 = 51318467893
BaseRepresentation
bin100011110001100…
…1101100101110101
310002122210022010102
41013203031211311
54424301204140
6315041003445
741514225326
oct10743154565
93078708112
101200413045
115666690a7
12296023585
1316190a4a0
14b55da44d
15705bce15
hex478cd975

1200413045 has 8 divisors (see below), whose sum is σ = 1551303096. Its totient is φ = 886458816.

The previous prime is 1200413023. The next prime is 1200413057. The reversal of 1200413045 is 5403140021.

It can be written as a sum of positive squares in 4 ways, for example, as 55741156 + 1144671889 = 7466^2 + 33833^2 .

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 1200413045 - 218 = 1200150901 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9233882 + ... + 9234011.

It is an arithmetic number, because the mean of its divisors is an integer number (193912887).

Almost surely, 21200413045 is an apocalyptic number.

It is an amenable number.

1200413045 is a deficient number, since it is larger than the sum of its proper divisors (350890051).

1200413045 is a wasteful number, since it uses less digits than its factorization.

1200413045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18467911.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1200413045 is about 34646.9774294959. The cubic root of 1200413045 is about 1062.7804790321.

Adding to 1200413045 its reverse (5403140021), we get a palindrome (6603553066).

The spelling of 1200413045 in words is "one billion, two hundred million, four hundred thirteen thousand, forty-five".

Divisors: 1 5 13 65 18467893 92339465 240082609 1200413045