Base | Representation |
---|---|
bin | 11110010010100011011101… |
… | …00101111001011110000000 |
3 | 22201211200102120001200012111 |
4 | 33021101232211321132000 |
5 | 32212302102303123343 |
6 | 353355215523105104 |
7 | 20013166331343031 |
oct | 1711215645713600 |
9 | 281750376050174 |
10 | 66608208254848 |
11 | 1a2504230a6447 |
12 | 757914a212194 |
13 | 2b22186296300 |
14 | 1263bd69a4a88 |
15 | 7a79742ddc9d |
hex | 3c946e979780 |
66608208254848 has 96 divisors (see below), whose sum is σ = 152140883322960. Its totient is φ = 28933882159104.
The previous prime is 66608208254843. The next prime is 66608208254957. The reversal of 66608208254848 is 84845280280666.
66608208254848 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (66608208254843) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90195540 + ... + 90931027.
Almost surely, 266608208254848 is an apocalyptic number.
66608208254848 is a gapful number since it is divisible by the number (68) formed by its first and last digit.
It is an amenable number.
66608208254848 is an abundant number, since it is smaller than the sum of its proper divisors (85532675068112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66608208254848 is a wasteful number, since it uses less digits than its factorization.
66608208254848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 181126624 (or 181126599 counting only the distinct ones).
The product of its (nonzero) digits is 283115520, while the sum is 67.
The spelling of 66608208254848 in words is "sixty-six trillion, six hundred eight billion, two hundred eight million, two hundred fifty-four thousand, eight hundred forty-eight".
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