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13045563122 = 2172571492969
BaseRepresentation
bin11000010011001001…
…10111111011110010
31020200011112021022112
430021210313323302
5203204131004442
65554255405322
7641165312504
oct141144677362
936604467275
1013045563122
115594975729
122640b23842
1312cb965727
148ba829d74
15515452082
hex309937ef2

13045563122 has 16 divisors (see below), whose sum is σ = 20800058040. Its totient is φ = 6115196928.

The previous prime is 13045563121. The next prime is 13045563133. The reversal of 13045563122 is 22136554031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11504922121 + 1540641001 = 107261^2 + 39251^2 .

It is not an unprimeable number, because it can be changed into a prime (13045563121) 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, 737747 + ... + 755222.

Almost surely, 213045563122 is an apocalyptic number.

13045563122 is a deficient number, since it is larger than the sum of its proper divisors (7754494918).

13045563122 is a wasteful number, since it uses less digits than its factorization.

13045563122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493245.

The product of its (nonzero) digits is 21600, while the sum is 32.

Subtracting 13045563122 from its reverse (22136554031), we obtain a palindrome (9090990909).

The spelling of 13045563122 in words is "thirteen billion, forty-five million, five hundred sixty-three thousand, one hundred twenty-two".

Divisors: 1 2 17 34 257 514 4369 8738 1492969 2985938 25380473 50760946 383693033 767386066 6522781561 13045563122