Base | Representation |
---|---|
bin | 111011101111100001… |
… | …111001000000100110 |
3 | 20010120121010020100200 |
4 | 323233201321000212 |
5 | 2022333413243110 |
6 | 45245210051330 |
7 | 4430436353643 |
oct | 735741710046 |
9 | 203517106320 |
10 | 64148181030 |
11 | 25228a8094a |
12 | 10523119b46 |
13 | 6083c9188b |
14 | 316777adca |
15 | 1a069e86c0 |
hex | eef879026 |
64148181030 has 48 divisors (see below), whose sum is σ = 166804157520. Its totient is φ = 17104244544.
The previous prime is 64148181029. The next prime is 64148181043. The reversal of 64148181030 is 3018184146.
It is a happy number.
64148181030 is a `hidden beast` number, since 641 + 4 + 8 + 1 + 8 + 1 + 0 + 3 + 0 = 666.
It is a super-2 number, since 2×641481810302 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 873061 + ... + 943679.
It is an arithmetic number, because the mean of its divisors is an integer number (3475086615).
Almost surely, 264148181030 is an apocalyptic number.
64148181030 is an abundant number, since it is smaller than the sum of its proper divisors (102655976490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64148181030 is a wasteful number, since it uses less digits than its factorization.
64148181030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80725 (or 80722 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 36.
The spelling of 64148181030 in words is "sixty-four billion, one hundred forty-eight million, one hundred eighty-one thousand, thirty".
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