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13068288149 = 73750456711
BaseRepresentation
bin11000010101110111…
…00100000010010101
31020201202021211012012
430022323210002111
5203230440210044
610000430434005
7641562421310
oct141273440225
936652254165
1013068288149
1155a6787344
122648662905
1313035912a7
148bd863977
1551744059e
hex30aee4095

13068288149 has 8 divisors (see below), whose sum is σ = 15338840448. Its totient is φ = 10898649360.

The previous prime is 13068288139. The next prime is 13068288169. The reversal of 13068288149 is 94188286031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13068288149 - 24 = 13068288133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13068288097 and 13068288106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13068288139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25228097 + ... + 25228614.

It is an arithmetic number, because the mean of its divisors is an integer number (1917355056).

Almost surely, 213068288149 is an apocalyptic number.

It is an amenable number.

13068288149 is a deficient number, since it is larger than the sum of its proper divisors (2270552299).

13068288149 is an equidigital number, since it uses as much as digits as its factorization.

13068288149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50456755.

The product of its (nonzero) digits is 663552, while the sum is 50.

The spelling of 13068288149 in words is "thirteen billion, sixty-eight million, two hundred eighty-eight thousand, one hundred forty-nine".

Divisors: 1 7 37 259 50456711 353196977 1866898307 13068288149