Base | Representation |
---|---|
bin | 111011111101000011… |
… | …110000000011111010 |
3 | 20011011102020000110021 |
4 | 323331003300003322 |
5 | 2023320020123312 |
6 | 45323515041054 |
7 | 4436163561241 |
oct | 737503600372 |
9 | 204142200407 |
10 | 64375161082 |
11 | 25335111371 |
12 | 1058714018a |
13 | 60bc0043bb |
14 | 3189983958 |
15 | 1a1b8d1c07 |
hex | efd0f00fa |
64375161082 has 4 divisors (see below), whose sum is σ = 96562741626. Its totient is φ = 32187580540.
The previous prime is 64375161079. The next prime is 64375161139. The reversal of 64375161082 is 28016157346.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28016157346 = 2 ⋅14008078673.
It can be written as a sum of positive squares in only one way, i.e., 45053883081 + 19321278001 = 212259^2 + 139001^2 .
It is a super-2 number, since 2×643751610822 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16093790269 + ... + 16093790272.
Almost surely, 264375161082 is an apocalyptic number.
64375161082 is a deficient number, since it is larger than the sum of its proper divisors (32187580544).
64375161082 is a wasteful number, since it uses less digits than its factorization.
64375161082 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32187580543.
The product of its (nonzero) digits is 241920, while the sum is 43.
The spelling of 64375161082 in words is "sixty-four billion, three hundred seventy-five million, one hundred sixty-one thousand, eighty-two".
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