Base | Representation |
---|---|
bin | 10111001110110100001000… |
… | …11101101000111001001010 |
3 | 20200212211100102212001111000 |
4 | 23213122010131220321022 |
5 | 23144000240211141220 |
6 | 300352502045315430 |
7 | 13521611443651566 |
oct | 1347320435507112 |
9 | 220784312761430 |
10 | 51086563380810 |
11 | 15306765228221 |
12 | 5890b02865b76 |
13 | 22675998361b9 |
14 | c8886236c6a6 |
15 | 5d8d2abb5390 |
hex | 2e7684768e4a |
51086563380810 has 32 divisors (see below), whose sum is σ = 136230835682880. Its totient is φ = 13623083568144.
The previous prime is 51086563380799. The next prime is 51086563380859. The reversal of 51086563380810 is 1808336568015.
51086563380810 is a `hidden beast` number, since 51 + 0 + 86 + 5 + 63 + 380 + 81 + 0 = 666.
51086563380810 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×510865633808102 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
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, 94604746732 + ... + 94604747271.
It is an arithmetic number, because the mean of its divisors is an integer number (4257213615090).
Almost surely, 251086563380810 is an apocalyptic number.
51086563380810 is an abundant number, since it is smaller than the sum of its proper divisors (85144272302070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51086563380810 is a wasteful number, since it uses less digits than its factorization.
51086563380810 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 189209494019 (or 189209494013 counting only the distinct ones).
The product of its (nonzero) digits is 4147200, while the sum is 54.
The spelling of 51086563380810 in words is "fifty-one trillion, eighty-six billion, five hundred sixty-three million, three hundred eighty thousand, eight hundred ten".
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