Base | Representation |
---|---|
bin | 10011001101011110… |
… | …000000101110010110 |
3 | 1222020112110111202011 |
4 | 103031132000232112 |
5 | 314221012101000 |
6 | 13250445334434 |
7 | 1330105110634 |
oct | 231536005626 |
9 | 58215414664 |
10 | 20627065750 |
11 | 8825493885 |
12 | 3bb7b6741a |
13 | 1c3958ba65 |
14 | dd96b6354 |
15 | 80ad332ba |
hex | 4cd780b96 |
20627065750 has 32 divisors (see below), whose sum is σ = 38623669344. Its totient is φ = 8248732000.
The previous prime is 20627065747. The next prime is 20627065769. The reversal of 20627065750 is 5756072602.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1307409 + ... + 1323091.
It is an arithmetic number, because the mean of its divisors is an integer number (1206989667).
Almost surely, 220627065750 is an apocalyptic number.
20627065750 is a deficient number, since it is larger than the sum of its proper divisors (17996603594).
20627065750 is a wasteful number, since it uses less digits than its factorization.
20627065750 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20961 (or 20951 counting only the distinct ones).
The product of its (nonzero) digits is 176400, while the sum is 40.
The spelling of 20627065750 in words is "twenty billion, six hundred twenty-seven million, sixty-five thousand, seven hundred fifty".
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