Base | Representation |
---|---|
bin | 10011001101011110… |
… | …001010000000011011 |
3 | 1222020112112102220100 |
4 | 103031132022000123 |
5 | 314221014310041 |
6 | 13250450230443 |
7 | 1330105326531 |
oct | 231536120033 |
9 | 58215472810 |
10 | 20627103771 |
11 | 882550a3aa |
12 | 3bb7b85423 |
13 | 1c395a3161 |
14 | dd96c6151 |
15 | 80ad3e6b6 |
hex | 4cd78a01b |
20627103771 has 12 divisors (see below), whose sum is σ = 29815603272. Its totient is φ = 13741757376.
The previous prime is 20627103689. The next prime is 20627103793. The reversal of 20627103771 is 17730172602.
20627103771 is a `hidden beast` number, since 20 + 627 + 1 + 0 + 3 + 7 + 7 + 1 = 666.
It is not a de Polignac number, because 20627103771 - 213 = 20627095579 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20627103071) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 790206 + ... + 815891.
It is an arithmetic number, because the mean of its divisors is an integer number (2484633606).
Almost surely, 220627103771 is an apocalyptic number.
20627103771 is a deficient number, since it is larger than the sum of its proper divisors (9188499501).
20627103771 is a wasteful number, since it uses less digits than its factorization.
20627103771 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1607530 (or 1607527 counting only the distinct ones).
The product of its (nonzero) digits is 24696, while the sum is 36.
The spelling of 20627103771 in words is "twenty billion, six hundred twenty-seven million, one hundred three thousand, seven hundred seventy-one".
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