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51587341025 = 5211316051301
BaseRepresentation
bin110000000010110110…
…000101101011100001
311221011012200110011012
4300002312011223201
51321122324403100
635410543430305
73504245110103
oct600266055341
9157135613135
1051587341025
111a972788940
129bb85b5395
134b3189287c
1426d548b573
15151dde3135
hexc02d85ae1

51587341025 has 24 divisors (see below), whose sum is σ = 72034699008. Its totient is φ = 36307800000.

The previous prime is 51587340997. The next prime is 51587341031. The reversal of 51587341025 is 52014378515.

It is a happy number.

It is not a de Polignac number, because 51587341025 - 214 = 51587324641 is a prime.

It is a super-2 number, since 2×515873410252 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3017126 + ... + 3034175.

It is an arithmetic number, because the mean of its divisors is an integer number (3001445792).

Almost surely, 251587341025 is an apocalyptic number.

51587341025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51587341025 is a deficient number, since it is larger than the sum of its proper divisors (20447357983).

51587341025 is a wasteful number, since it uses less digits than its factorization.

51587341025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6051353 (or 6051348 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 41.

The spelling of 51587341025 in words is "fifty-one billion, five hundred eighty-seven million, three hundred forty-one thousand, twenty-five".

Divisors: 1 5 11 25 31 55 155 275 341 775 1705 8525 6051301 30256505 66564311 151282525 187590331 332821555 937951655 1664107775 2063493641 4689758275 10317468205 51587341025