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BaseRepresentation
bin10111001110110100000011…
…10010010110110100010101
320200212211020022100212100120
423213122001302112310111
523144000142212331044
6300352453403102153
713521610360213065
oct1347320162266425
9220784208325316
1051086518480149
111530674194a739
125890aab811959
132267590444b69
14c8885a4013a5
155d8d26c96519
hex2e7681c96d15

51086518480149 has 16 divisors (see below), whose sum is σ = 68148222912000. Its totient is φ = 34041248390336.

The previous prime is 51086518480117. The next prime is 51086518480157. The reversal of 51086518480149 is 94108481568015.

51086518480149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 51086518480149 - 25 = 51086518480117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51086518480092 and 51086518480101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51086518480169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113293267 + ... + 113743295.

It is an arithmetic number, because the mean of its divisors is an integer number (4259263932000).

Almost surely, 251086518480149 is an apocalyptic number.

It is an amenable number.

51086518480149 is a deficient number, since it is larger than the sum of its proper divisors (17061704431851).

51086518480149 is a wasteful number, since it uses less digits than its factorization.

51086518480149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468204.

The product of its (nonzero) digits is 11059200, while the sum is 60.

The spelling of 51086518480149 in words is "fifty-one trillion, eighty-six billion, five hundred eighteen million, four hundred eighty thousand, one hundred forty-nine".