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13003244243 = 115340155621
BaseRepresentation
bin11000001110000110…
…11100001011010011
31020120012220020201122
430013003130023103
5203112312303433
65550144352455
7640142516033
oct140703341323
936505806648
1013003244243
115572aa0950
12262a91572b
1312c2c69582
148b4d718c3
15511893198
hex3070dc2d3

13003244243 has 16 divisors (see below), whose sum is σ = 14489308512. Its totient is φ = 11568960000.

The previous prime is 13003244231. The next prime is 13003244269. The reversal of 13003244243 is 34244230031.

It is a cyclic number.

It is not a de Polignac number, because 13003244243 - 26 = 13003244179 is a prime.

It is a super-2 number, since 2×130032442432 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13003244213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205973 + ... + 261593.

It is an arithmetic number, because the mean of its divisors is an integer number (905581782).

Almost surely, 213003244243 is an apocalyptic number.

13003244243 is a deficient number, since it is larger than the sum of its proper divisors (1486064269).

13003244243 is a wasteful number, since it uses less digits than its factorization.

13003244243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56086.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 13003244243 its reverse (34244230031), we get a palindrome (47247474274).

The spelling of 13003244243 in words is "thirteen billion, three million, two hundred forty-four thousand, two hundred forty-three".

Divisors: 1 11 53 401 583 4411 21253 55621 233783 611831 2947913 22304021 32427043 245344231 1182113113 13003244243