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103003321013 = 615749293717
BaseRepresentation
bin101111111101101111…
…0011111001010110101
3100211212110220212011022
41133323132133022311
53141422322233023
6115152530350525
710304342532305
oct1377336371265
9324773825138
10103003321013
113a75776468a
1217b6772b445
139936ab7778
144db1c8d605
152a2cc377c8
hex17fb79f2b5

103003321013 has 8 divisors (see below), whose sum is σ = 104710467000. Its totient is φ = 101296774080.

The previous prime is 103003320997. The next prime is 103003321021. The reversal of 103003321013 is 310123300301.

It can be written as a sum of positive squares in 4 ways, for example, as 29812511569 + 73190809444 = 172663^2 + 270538^2 .

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 103003321013 - 24 = 103003320997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103003320982 and 103003321000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103003321513) 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, 203831 + ... + 497547.

It is an arithmetic number, because the mean of its divisors is an integer number (13088808375).

Almost surely, 2103003321013 is an apocalyptic number.

It is an amenable number.

103003321013 is a deficient number, since it is larger than the sum of its proper divisors (1707145987).

103003321013 is an equidigital number, since it uses as much as digits as its factorization.

103003321013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299527.

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

Adding to 103003321013 its reverse (310123300301), we get a palindrome (413126621314).

The spelling of 103003321013 in words is "one hundred three billion, three million, three hundred twenty-one thousand, thirteen".

Divisors: 1 61 5749 293717 350689 17916737 1688579033 103003321013