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13111031132 = 2291916192203
BaseRepresentation
bin11000011010111101…
…00111010101011100
31020211201201101112122
430031132213111130
5203322410444012
610004554522112
7642621632363
oct141536472534
936751641478
1013111031132
115618920821
12265aa36338
13130c3a84b4
148c53cc7da
1551b084e72
hex30d7a755c

13111031132 has 24 divisors (see below), whose sum is σ = 22993891200. Its totient is φ = 6541366896.

The previous prime is 13111031083. The next prime is 13111031137. The reversal of 13111031132 is 23113011131.

It is a self number, because there is not a number n which added to its sum of digits gives 13111031132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111031137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5950343 + ... + 5952545.

It is an arithmetic number, because the mean of its divisors is an integer number (958078800).

Almost surely, 213111031132 is an apocalyptic number.

It is an amenable number.

13111031132 is a deficient number, since it is larger than the sum of its proper divisors (9882860068).

13111031132 is a wasteful number, since it uses less digits than its factorization.

13111031132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4745 (or 4743 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 13111031132 its reverse (23113011131), we get a palindrome (36224042263).

The spelling of 13111031132 in words is "thirteen billion, one hundred eleven million, thirty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 919 1619 1838 2203 3238 3676 4406 6476 8812 1487861 2024557 2975722 3566657 4049114 5951444 7133314 8098228 14266628 3277757783 6555515566 13111031132