Base | Representation |
---|---|
bin | 111101100110101111… |
… | …110011011011111010 |
3 | 20022201222201122222210 |
4 | 331212233303123322 |
5 | 2040432432120142 |
6 | 50215455555550 |
7 | 4531134262632 |
oct | 754657633372 |
9 | 208658648883 |
10 | 66148316922 |
11 | 26065000616 |
12 | 109a0b2bbb6 |
13 | 6312485a3c |
14 | 32b726d6c2 |
15 | 1ac23d649c |
hex | f66bf36fa |
66148316922 has 32 divisors (see below), whose sum is σ = 140112509184. Its totient is φ = 20747417600.
The previous prime is 66148316921. The next prime is 66148316929. The reversal of 66148316922 is 22961384166.
It is a super-2 number, since 2×661483169222 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (66148316921) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359722 + ... + 511562.
It is an arithmetic number, because the mean of its divisors is an integer number (4378515912).
Almost surely, 266148316922 is an apocalyptic number.
66148316922 is an abundant number, since it is smaller than the sum of its proper divisors (73964192262).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66148316922 is a wasteful number, since it uses less digits than its factorization.
66148316922 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 156134.
The product of its digits is 746496, while the sum is 48.
The spelling of 66148316922 in words is "sixty-six billion, one hundred forty-eight million, three hundred sixteen thousand, nine hundred twenty-two".
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