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13011041303 = 131813155201
BaseRepresentation
bin11000001111000010…
…01011110000010111
31020120202120101021122
430013201023300113
5203121311310203
65551023434155
7640266012011
oct140741136027
936522511248
1013011041303
1155774369a7
12263145595b
1312c4769510
148b60011b1
155123d3538
hex30784bc17

13011041303 has 8 divisors (see below), whose sum is σ = 14012917296. Its totient is φ = 12009312000.

The previous prime is 13011041297. The next prime is 13011041347. The reversal of 13011041303 is 30314011031.

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 13011041303 - 232 = 8716074007 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 (13011041353) 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, 208103 + ... + 263303.

It is an arithmetic number, because the mean of its divisors is an integer number (1751614662).

Almost surely, 213011041303 is an apocalyptic number.

13011041303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13011041303 is a deficient number, since it is larger than the sum of its proper divisors (1001875993).

13011041303 is a wasteful number, since it uses less digits than its factorization.

13011041303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73345.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13011041303 its reverse (30314011031), we get a palindrome (43325052334).

The spelling of 13011041303 in words is "thirteen billion, eleven million, forty-one thousand, three hundred three".

Divisors: 1 13 18131 55201 235703 717613 1000849331 13011041303