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51064675009 = 472957336739
BaseRepresentation
bin101111100011101100…
…010001101011000001
311212210210012021011121
4233203230101223001
51314040024100014
635243033112241
73455300401345
oct574354215301
9155723167147
1051064675009
111a724750157
129a91558681
134a7a502a3a
142685cb5625
1514dd09e124
hexbe3b11ac1

51064675009 has 8 divisors (see below), whose sum is σ = 52154340480. Its totient is φ = 49975142256.

The previous prime is 51064675007. The next prime is 51064675019. The reversal of 51064675009 is 90057646015.

51064675009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 51064675009 - 21 = 51064675007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51064675007) 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, 1371562 + ... + 1408300.

It is an arithmetic number, because the mean of its divisors is an integer number (6519292560).

Almost surely, 251064675009 is an apocalyptic number.

It is an amenable number.

51064675009 is a deficient number, since it is larger than the sum of its proper divisors (1089665471).

51064675009 is a wasteful number, since it uses less digits than its factorization.

51064675009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66359.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 51064675009 in words is "fifty-one billion, sixty-four million, six hundred seventy-five thousand, nine".

Divisors: 1 47 29573 36739 1389931 1726733 1086482447 51064675009