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51025230052 = 2271792274257
BaseRepresentation
bin101111100001010101…
…110011100011100100
311212201000222020212021
4233201111303203210
51313444424330202
635235103432524
73454311204436
oct574125634344
9155630866767
1051025230052
111a704459615
129a802b5744
134a722a1a24
142680968656
1514d98aba37
hexbe15738e4

51025230052 has 24 divisors (see below), whose sum is σ = 91698082560. Its totient is φ = 24834875520.

The previous prime is 51025230043. The next prime is 51025230059. The reversal of 51025230052 is 25003252015.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 51025229999 and 51025230026.

It is not an unprimeable number, because it can be changed into a prime (51025230059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1114693 + ... + 1159564.

It is an arithmetic number, because the mean of its divisors is an integer number (3820753440).

Almost surely, 251025230052 is an apocalyptic number.

It is an amenable number.

51025230052 is a deficient number, since it is larger than the sum of its proper divisors (40672852508).

51025230052 is a wasteful number, since it uses less digits than its factorization.

51025230052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274411 (or 2274409 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

Adding to 51025230052 its reverse (25003252015), we get a palindrome (76028482067).

The spelling of 51025230052 in words is "fifty-one billion, twenty-five million, two hundred thirty thousand, fifty-two".

Divisors: 1 2 4 71 79 142 158 284 316 5609 11218 22436 2274257 4548514 9097028 161472247 179666303 322944494 359332606 645888988 718665212 12756307513 25512615026 51025230052