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51024550001 = 349389375841
BaseRepresentation
bin101111100001010011…
…001101100001110001
311212200222200201000012
4233201103031201301
51313444241100001
635235041104305
73454302342665
oct574123154161
9155628621005
1051024550001
111a704034697
129a80028095
134a720c4329
14268082c8a5
1514d97c52bb
hexbe14cd871

51024550001 has 8 divisors (see below), whose sum is σ = 51302433000. Its totient is φ = 50747420160.

The previous prime is 51024549991. The next prime is 51024550007. The reversal of 51024550001 is 10005542015.

It is a happy number.

51024550001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 16077986401 + 34946563600 = 126799^2 + 186940^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51024550001 - 26 = 51024549937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51024550007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52160 + ... + 323681.

It is an arithmetic number, because the mean of its divisors is an integer number (6412804125).

Almost surely, 251024550001 is an apocalyptic number.

It is an amenable number.

51024550001 is a deficient number, since it is larger than the sum of its proper divisors (277882999).

51024550001 is a wasteful number, since it uses less digits than its factorization.

51024550001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376579.

The product of its (nonzero) digits is 1000, while the sum is 23.

The spelling of 51024550001 in words is "fifty-one billion, twenty-four million, five hundred fifty thousand, one".

Divisors: 1 349 389 135761 375841 131168509 146202149 51024550001