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13120113224 = 239971644949
BaseRepresentation
bin11000011100000010…
…10000101001001000
31020212100210210211102
430032001100221020
5203332222110344
610005521320532
7643062056651
oct141601205110
936770723742
1013120113224
115622a64289
122661a96148
13131123830a
148c66b4528
1551bc7ae4e
hex30e050a48

13120113224 has 16 divisors (see below), whose sum is σ = 24624901500. Its totient is φ = 6553472832.

The previous prime is 13120113191. The next prime is 13120113233. The reversal of 13120113224 is 42231102131.

It can be written as a sum of positive squares in 2 ways, for example, as 12977310724 + 142802500 = 113918^2 + 11950^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13120113196 and 13120113205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 814499 + ... + 830450.

Almost surely, 213120113224 is an apocalyptic number.

It is an amenable number.

13120113224 is a deficient number, since it is larger than the sum of its proper divisors (11504788276).

13120113224 is a wasteful number, since it uses less digits than its factorization.

13120113224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645952 (or 1645948 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 13120113224 its reverse (42231102131), we get a palindrome (55351215355).

The spelling of 13120113224 in words is "thirteen billion, one hundred twenty million, one hundred thirteen thousand, two hundred twenty-four".

Divisors: 1 2 4 8 997 1994 3988 7976 1644949 3289898 6579796 13159592 1640014153 3280028306 6560056612 13120113224