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64466009559061 = 117380281456487
BaseRepresentation
bin11101010100001101010011…
…00110011001000000010101
322110020220001001021121212221
432222012221212121000111
531422202341421342221
6345035135334342341
716402341546020605
oct1652065146310025
9273226031247787
1064466009559061
11195a4976852870
127291b401ba9b1
1329c81707a7136
1411cc2588a8c05
1576bd9757e541
hex3aa1a9999015

64466009559061 has 8 divisors (see below), whose sum is σ = 71289933361344. Its totient is φ = 57802648669920.

The previous prime is 64466009559019. The next prime is 64466009559079. The reversal of 64466009559061 is 16095590066446.

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

It is not a de Polignac number, because 64466009559061 - 29 = 64466009558549 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 (64466009559461) 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, 40140727441 + ... + 40140729046.

It is an arithmetic number, because the mean of its divisors is an integer number (8911241670168).

Almost surely, 264466009559061 is an apocalyptic number.

It is an amenable number.

64466009559061 is a deficient number, since it is larger than the sum of its proper divisors (6823923802283).

64466009559061 is a wasteful number, since it uses less digits than its factorization.

64466009559061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80281456571.

The product of its (nonzero) digits is 41990400, while the sum is 61.

The spelling of 64466009559061 in words is "sixty-four trillion, four hundred sixty-six billion, nine million, five hundred fifty-nine thousand, sixty-one".

Divisors: 1 11 73 803 80281456487 883096021357 5860546323551 64466009559061