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1200013103 = 7130235591
BaseRepresentation
bin100011110000110…
…1011111100101111
310002122000222111202
41013201223330233
54424200404403
6315024240115
741510641322
oct10741537457
93078028452
101200013103
11566415673
12295a7003b
131617ca433
14b55347b9
157053e688
hex4786bf2f

1200013103 has 8 divisors (see below), whose sum is σ = 1217534976. Its totient is φ = 1182508600.

The previous prime is 1200013079. The next prime is 1200013163. The reversal of 1200013103 is 3013100021.

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 1200013103 - 214 = 1199996719 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 (1200013163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211838 + ... + 217428.

It is an arithmetic number, because the mean of its divisors is an integer number (152191872).

Almost surely, 21200013103 is an apocalyptic number.

1200013103 is a deficient number, since it is larger than the sum of its proper divisors (17521873).

1200013103 is an equidigital number, since it uses as much as digits as its factorization.

1200013103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8685.

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

The square root of 1200013103 is about 34641.2052763757. The cubic root of 1200013103 is about 1062.6624369505.

Adding to 1200013103 its reverse (3013100021), we get a palindrome (4213113124).

The spelling of 1200013103 in words is "one billion, two hundred million, thirteen thousand, one hundred three".

Divisors: 1 71 3023 5591 214633 396961 16901593 1200013103