Base | Representation |
---|---|
bin | 10010101100000011… |
… | …011100000100011101 |
3 | 1220210110120100220100 |
4 | 102230003130010131 |
5 | 312044002423431 |
6 | 13115101411313 |
7 | 1310160011520 |
oct | 225403340435 |
9 | 56713510810 |
10 | 20066451741 |
11 | 8567a97216 |
12 | 3a80269b39 |
13 | 1b7a3a33ab |
14 | d85062bb7 |
15 | 7c69e54e6 |
hex | 4ac0dc11d |
20066451741 has 48 divisors (see below), whose sum is σ = 35527040640. Its totient is φ = 10658044800.
The previous prime is 20066451673. The next prime is 20066451749. The reversal of 20066451741 is 14715466002.
20066451741 is a `hidden beast` number, since 2 + 0 + 0 + 6 + 645 + 1 + 7 + 4 + 1 = 666.
It is not a de Polignac number, because 20066451741 - 214 = 20066435357 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20066451696 and 20066451705.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20066451749) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94710 + ... + 221591.
It is an arithmetic number, because the mean of its divisors is an integer number (740146680).
Almost surely, 220066451741 is an apocalyptic number.
20066451741 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
20066451741 is a deficient number, since it is larger than the sum of its proper divisors (15460588899).
20066451741 is a wasteful number, since it uses less digits than its factorization.
20066451741 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 316386 (or 316383 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 36.
It can be divided in two parts, 200664 and 51741, that added together give a triangular number (252405 = T710).
The spelling of 20066451741 in words is "twenty billion, sixty-six million, four hundred fifty-one thousand, seven hundred forty-one".
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