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13015718745 = 3523314572663
BaseRepresentation
bin11000001111100110…
…00001101101011001
31020121002101000112020
430013303001231121
5203124010444440
65551312005053
7640353532611
oct140763015531
936532330466
1013015718745
11557a041157
122632b30789
1312c5716533
148b689ba41
15512a093d0
hex307cc1b59

13015718745 has 64 divisors (see below), whose sum is σ = 22489104384. Its totient is φ = 6409244160.

The previous prime is 13015718711. The next prime is 13015718761. The reversal of 13015718745 is 54781751031.

13015718745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13015718745 - 213 = 13015710553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13015718697 and 13015718706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4886284 + ... + 4888946.

It is an arithmetic number, because the mean of its divisors is an integer number (351392256).

Almost surely, 213015718745 is an apocalyptic number.

13015718745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13015718745 is a deficient number, since it is larger than the sum of its proper divisors (9473385639).

13015718745 is a wasteful number, since it uses less digits than its factorization.

13015718745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3182.

The product of its (nonzero) digits is 117600, while the sum is 42.

The spelling of 13015718745 in words is "thirteen billion, fifteen million, seven hundred eighteen thousand, seven hundred forty-five".

Divisors: 1 3 5 15 23 31 69 93 115 155 345 457 465 713 1371 2139 2285 2663 3565 6855 7989 10511 10695 13315 14167 31533 39945 42501 52555 61249 70835 82553 157665 183747 212505 247659 306245 325841 412765 918735 977523 1216991 1238295 1629205 1898719 3650973 4887615 5696157 6084955 9493595 18254865 27990793 28480785 37726721 83972379 113180163 139953965 188633605 419861895 565900815 867714583 2603143749 4338572915 13015718745