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1200303013 = 71313190143
BaseRepresentation
bin100011110001011…
…0010101110100101
310002122120201012011
41013202302232211
54424234144023
6315034354221
741513256460
oct10742625645
93078521164
101200303013
115665a3468
12295b8b971
1316189c390
14b55ac2d7
157059a50d
hex478b2ba5

1200303013 has 8 divisors (see below), whose sum is σ = 1477296128. Its totient is φ = 949690224.

The previous prime is 1200303007. The next prime is 1200303029. The reversal of 1200303013 is 3103030021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-1200303013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1200302984 and 1200303002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200301013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6594981 + ... + 6595162.

It is an arithmetic number, because the mean of its divisors is an integer number (184662016).

Almost surely, 21200303013 is an apocalyptic number.

1200303013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1200303013 is a deficient number, since it is larger than the sum of its proper divisors (276993115).

1200303013 is a wasteful number, since it uses less digits than its factorization.

1200303013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13190163.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1200303013 is about 34645.3894912440. The cubic root of 1200303013 is about 1062.7480059221.

Adding to 1200303013 its reverse (3103030021), we get a palindrome (4303333034).

The spelling of 1200303013 in words is "one billion, two hundred million, three hundred three thousand, thirteen".

Divisors: 1 7 13 91 13190143 92331001 171471859 1200303013