Base | Representation |
---|---|
bin | 10011010010001100… |
… | …011000110110011101 |
3 | 1222110001121122200110 |
4 | 103102030120312131 |
5 | 314401310111221 |
6 | 13302400320233 |
7 | 1332056630022 |
oct | 232214306635 |
9 | 58401548613 |
10 | 20706332061 |
11 | 8866203828 |
12 | 401a613079 |
13 | 1c4cb231bc |
14 | 100602b549 |
15 | 812c8e776 |
hex | 4d2318d9d |
20706332061 has 32 divisors (see below), whose sum is σ = 30640619520. Its totient is φ = 12371445504.
The previous prime is 20706332029. The next prime is 20706332063. The reversal of 20706332061 is 16023360702.
It is not a de Polignac number, because 20706332061 - 25 = 20706332029 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20706332063) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 222000 + ... + 301158.
It is an arithmetic number, because the mean of its divisors is an integer number (957519360).
Almost surely, 220706332061 is an apocalyptic number.
It is an amenable number.
20706332061 is a deficient number, since it is larger than the sum of its proper divisors (9934287459).
20706332061 is a wasteful number, since it uses less digits than its factorization.
20706332061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79425.
The product of its (nonzero) digits is 9072, while the sum is 30.
Adding to 20706332061 its reverse (16023360702), we get a palindrome (36729692763).
The spelling of 20706332061 in words is "twenty billion, seven hundred six million, three hundred thirty-two thousand, sixty-one".
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