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15128113 = 72111317127
BaseRepresentation
bin111001101101…
…011000110001
31001110120212111
4321231120301
512333044423
61300125321
7242405200
oct71553061
931416774
1015128113
1185a2a80
125096841
133198a60
14201b237
1514dc60d
hexe6d631

15128113 has 48 divisors (see below), whose sum is σ = 22063104. Its totient is φ = 10160640.

The previous prime is 15128081. The next prime is 15128129. The reversal of 15128113 is 31182151.

It is not a de Polignac number, because 15128113 - 25 = 15128081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15128173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 119056 + ... + 119182.

It is an arithmetic number, because the mean of its divisors is an integer number (459648).

Almost surely, 215128113 is an apocalyptic number.

15128113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

15128113 is a deficient number, since it is larger than the sum of its proper divisors (6934991).

15128113 is a wasteful number, since it uses less digits than its factorization.

15128113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 175 counting only the distinct ones).

The product of its digits is 240, while the sum is 22.

The square root of 15128113 is about 3889.4874983730. The cubic root of 15128113 is about 247.3213375773.

The spelling of 15128113 in words is "fifteen million, one hundred twenty-eight thousand, one hundred thirteen".

Divisors: 1 7 11 13 17 49 77 91 119 127 143 187 221 539 637 833 889 1001 1309 1397 1547 1651 2159 2431 6223 7007 9163 9779 10829 11557 15113 17017 18161 23749 28067 68453 80899 105791 119119 127127 166243 196469 308737 889889 1163701 1375283 2161159 15128113