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481306504126681 = 31181154955377079
BaseRepresentation
bin110110101101111101110011…
…1001101001110000011011001
32100010011110012211010110110201
41231123323213031032003121
51001041211210024023211
64423353053333142201
7203244150566645002
oct15533734715160331
92303143184113421
10481306504126681
1112a3a4a3aa43632
1245b9451248a961
1317874015b4166c
1486bd5055041a9
153a99d479a60c1
hex1b5bee734e0d9

481306504126681 has 16 divisors (see below), whose sum is σ = 499899976576000. Its totient is φ = 462908070417600.

The previous prime is 481306504126631. The next prime is 481306504126703. The reversal of 481306504126681 is 186621405603184.

It is a cyclic number.

It is not a de Polignac number, because 481306504126681 - 215 = 481306504093913 is a prime.

It is a super-2 number, since 2×4813065041266812 (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (481306504126631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18997101 + ... + 36379978.

It is an arithmetic number, because the mean of its divisors is an integer number (31243748536000).

Almost surely, 2481306504126681 is an apocalyptic number.

It is an amenable number.

481306504126681 is a deficient number, since it is larger than the sum of its proper divisors (18593472449319).

481306504126681 is a wasteful number, since it uses less digits than its factorization.

481306504126681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55378840.

The product of its (nonzero) digits is 6635520, while the sum is 55.

The spelling of 481306504126681 in words is "four hundred eighty-one trillion, three hundred six billion, five hundred four million, one hundred twenty-six thousand, six hundred eighty-one".

Divisors: 1 31 181 1549 5611 48019 280369 8691439 55377079 1716689449 10023251299 85779095371 310720790269 2659151956501 15526016262151 481306504126681