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8068614555457 = 37218070663661
BaseRepresentation
bin111010101101001111011…
…1001111000011101000001
31001120100111121202222010001
41311122132321320131001
52024144010311233312
625054400444040001
71461636535055041
oct165323671703501
931510447688101
108068614555457
112630975628315
12aa3902833001
13466b36cb8231
141dc747291721
15ded3ab09057
hex7569ee78741

8068614555457 has 4 divisors (see below), whose sum is σ = 8286685219156. Its totient is φ = 7850543891760.

The previous prime is 8068614555433. The next prime is 8068614555503. The reversal of 8068614555457 is 7545554168608.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6337348073281 + 1731266482176 = 2517409^2 + 1315776^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8068614555457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8068614553457) 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, 109035331794 + ... + 109035331867.

It is an arithmetic number, because the mean of its divisors is an integer number (2071671304789).

Almost surely, 28068614555457 is an apocalyptic number.

It is an amenable number.

8068614555457 is a deficient number, since it is larger than the sum of its proper divisors (218070663699).

8068614555457 is a wasteful number, since it uses less digits than its factorization.

8068614555457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218070663698.

The product of its (nonzero) digits is 161280000, while the sum is 64.

The spelling of 8068614555457 in words is "eight trillion, sixty-eight billion, six hundred fourteen million, five hundred fifty-five thousand, four hundred fifty-seven".

Divisors: 1 37 218070663661 8068614555457