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1003360013 = 5318931321
BaseRepresentation
bin111011110011100…
…000111100001101
32120220222222011222
4323303200330031
54023330010023
6243321253125
733602263565
oct7363407415
92526888158
101003360013
11475409257
122400341a5
1312cb45666
1497383da5
155d146cc8
hex3bce0f0d

1003360013 has 4 divisors (see below), whose sum is σ = 1022291388. Its totient is φ = 984428640.

The previous prime is 1003359997. The next prime is 1003360031. The reversal of 1003360013 is 3100633001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3100633001 = 7939248519.

It can be written as a sum of positive squares in 2 ways, for example, as 269058409 + 734301604 = 16403^2 + 27098^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003360013 - 24 = 1003359997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1003359973 and 1003360000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003360063) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9465608 + ... + 9465713.

It is an arithmetic number, because the mean of its divisors is an integer number (255572847).

Almost surely, 21003360013 is an apocalyptic number.

It is an amenable number.

1003360013 is a deficient number, since it is larger than the sum of its proper divisors (18931375).

1003360013 is an equidigital number, since it uses as much as digits as its factorization.

1003360013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18931374.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1003360013 is about 31675.8585203306. The cubic root of 1003360013 is about 1001.1187522600.

Adding to 1003360013 its reverse (3100633001), we get a palindrome (4103993014).

The spelling of 1003360013 in words is "one billion, three million, three hundred sixty thousand, thirteen".

Divisors: 1 53 18931321 1003360013