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64051366061 = 367829210527
BaseRepresentation
bin111011101001110000…
…100100100010101101
320010022211221112012002
4323221300210202231
52022134122203221
645231431022045
74425152425364
oct735160444255
9203284845162
1064051366061
1125189365381
12104b680a925
136069bc4a07
1431589787db
1519ed27280b
hexee9c248ad

64051366061 has 8 divisors (see below), whose sum is σ = 64303672320. Its totient is φ = 63799483248.

The previous prime is 64051366031. The next prime is 64051366109. The reversal of 64051366061 is 16066315046.

64051366061 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 a de Polignac number, because none of the positive numbers 2k-64051366061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64051366031) 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, 198980 + ... + 409506.

It is an arithmetic number, because the mean of its divisors is an integer number (8037959040).

Almost surely, 264051366061 is an apocalyptic number.

It is an amenable number.

64051366061 is a deficient number, since it is larger than the sum of its proper divisors (252306259).

64051366061 is a wasteful number, since it uses less digits than its factorization.

64051366061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211723.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 64051366061 in words is "sixty-four billion, fifty-one million, three hundred sixty-six thousand, sixty-one".

Divisors: 1 367 829 210527 304243 77263409 174526883 64051366061