Base | Representation |
---|---|
bin | 10011001100101110… |
… | …000111111101101000 |
3 | 1222012122211201220112 |
4 | 103030232013331220 |
5 | 314204303344423 |
6 | 13245320313452 |
7 | 1326563315333 |
oct | 231456077550 |
9 | 58178751815 |
10 | 20614512488 |
11 | 881939a389 |
12 | 3bb3912888 |
13 | 1c36ab4cab |
14 | dd7b6961a |
15 | 809ba3a78 |
hex | 4ccb87f68 |
20614512488 has 16 divisors (see below), whose sum is σ = 38653947360. Its totient is φ = 10306793200.
The previous prime is 20614512487. The next prime is 20614512491. The reversal of 20614512488 is 88421541602.
It is not an unprimeable number, because it can be changed into a prime (20614512487) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 197723 + ... + 283413.
It is an arithmetic number, because the mean of its divisors is an integer number (2415871710).
Almost surely, 220614512488 is an apocalyptic number.
It is an amenable number.
20614512488 is a deficient number, since it is larger than the sum of its proper divisors (18039434872).
20614512488 is a wasteful number, since it uses less digits than its factorization.
20614512488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115768 (or 115764 counting only the distinct ones).
The product of its (nonzero) digits is 122880, while the sum is 41.
The spelling of 20614512488 in words is "twenty billion, six hundred fourteen million, five hundred twelve thousand, four hundred eighty-eight".
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