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68595075396664 = 239079453566069
BaseRepresentation
bin11111001100011000010010…
…00110100011010000111000
322222212121212202010012112121
433212030021012203100320
532442330203300143124
6401520050445251024
720306554625366605
oct1746141106432070
9288777782105477
1068595075396664
111a94700a878523
12783a227b63a74
132c37645a7c27b
1412d203b1c36ac
157de4ae3742e4
hex3e63091a3438

68595075396664 has 16 divisors (see below), whose sum is σ = 128757569873400. Its totient is φ = 34259723430432.

The previous prime is 68595075396647. The next prime is 68595075396667. The reversal of 68595075396664 is 46669357059586.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68595075396667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4726775779 + ... + 4726790290.

Almost surely, 268595075396664 is an apocalyptic number.

It is an amenable number.

68595075396664 is a deficient number, since it is larger than the sum of its proper divisors (60162494476736).

68595075396664 is a wasteful number, since it uses less digits than its factorization.

68595075396664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9453566982 (or 9453566978 counting only the distinct ones).

The product of its (nonzero) digits is 8817984000, while the sum is 79.

The spelling of 68595075396664 in words is "sixty-eight trillion, five hundred ninety-five billion, seventy-five million, three hundred ninety-six thousand, six hundred sixty-four".

Divisors: 1 2 4 8 907 1814 3628 7256 9453566069 18907132138 37814264276 75628528552 8574384424583 17148768849166 34297537698332 68595075396664