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13531322105 = 571572462479
BaseRepresentation
bin11001001101000011…
…11001011011111001
31021221000120101100222
430212201321123321
5210203004301410
610114411105425
7656214224450
oct144641713371
937830511328
1013531322105
115814095634
122757742275
1313784a2792
14925155b97
15542e05955
hex3268796f9

13531322105 has 16 divisors (see below), whose sum is σ = 18675448320. Its totient is φ = 9219517632.

The previous prime is 13531322009. The next prime is 13531322107. The reversal of 13531322105 is 50122313531.

It is a cyclic number.

It is not a de Polignac number, because 13531322105 - 28 = 13531321849 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13531322107) 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 15 ways as a sum of consecutive naturals, for example, 1225745 + ... + 1236734.

It is an arithmetic number, because the mean of its divisors is an integer number (1167215520).

Almost surely, 213531322105 is an apocalyptic number.

It is an amenable number.

13531322105 is a deficient number, since it is larger than the sum of its proper divisors (5144126215).

13531322105 is a wasteful number, since it uses less digits than its factorization.

13531322105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2462648.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 13531322105 its reverse (50122313531), we get a palindrome (63653635636).

The spelling of 13531322105 in words is "thirteen billion, five hundred thirty-one million, three hundred twenty-two thousand, one hundred five".

Divisors: 1 5 7 35 157 785 1099 5495 2462479 12312395 17237353 86186765 386609203 1933046015 2706264421 13531322105