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13499049839 = 116176926161
BaseRepresentation
bin11001001001001101…
…10010011101101111
31021211202211210010212
430210212302131233
5210121224043324
610111255253035
7655343013302
oct144446623557
937752753125
1013499049839
1157a7952a40
12274897a17b
1313718b3472
14920b54b39
1554017d70e
hex3249b276f

13499049839 has 16 divisors (see below), whose sum is σ = 14987686560. Its totient is φ = 12054528000.

The previous prime is 13499049827. The next prime is 13499049887. The reversal of 13499049839 is 93894099431.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13499049839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13499049139) 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, 502919 + ... + 529079.

It is an arithmetic number, because the mean of its divisors is an integer number (936730410).

Almost surely, 213499049839 is an apocalyptic number.

13499049839 is a deficient number, since it is larger than the sum of its proper divisors (1488636721).

13499049839 is a wasteful number, since it uses less digits than its factorization.

13499049839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27002.

The product of its (nonzero) digits is 7558272, while the sum is 59.

The spelling of 13499049839 in words is "thirteen billion, four hundred ninety-nine million, forty-nine thousand, eight hundred thirty-nine".

Divisors: 1 11 61 671 769 8459 26161 46909 287771 515999 1595821 17554031 20117809 221295899 1227186349 13499049839