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64461042711 = 32131367940277
BaseRepresentation
bin111100000010001011…
…010111010000010111
320011101101211020220100
4330002023113100113
52024004011331321
645340223505143
74441255552062
oct740213272027
9204341736810
1064461042711
112537963a51a
12105aba581b3
136103a43930
14319713b8d9
151a241e8326
hexf022d7417

64461042711 has 24 divisors (see below), whose sum is σ = 100282553280. Its totient is φ = 39664449216.

The previous prime is 64461042689. The next prime is 64461042743. The reversal of 64461042711 is 11724016446.

It is a happy number.

64461042711 is a `hidden beast` number, since 6 + 4 + 4 + 610 + 4 + 27 + 11 = 666.

It is not a de Polignac number, because 64461042711 - 26 = 64461042647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64461042761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1580305 + ... + 1620581.

It is an arithmetic number, because the mean of its divisors is an integer number (4178439720).

Almost surely, 264461042711 is an apocalyptic number.

64461042711 is a deficient number, since it is larger than the sum of its proper divisors (35821510569).

64461042711 is a wasteful number, since it uses less digits than its factorization.

64461042711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53975 (or 53972 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 64461042711 in words is "sixty-four billion, four hundred sixty-one million, forty-two thousand, seven hundred eleven".

Divisors: 1 3 9 13 39 117 13679 40277 41037 120831 123111 177827 362493 523601 533481 1570803 1600443 4712409 550949083 1652847249 4958541747 7162338079 21487014237 64461042711