Base | Representation |
---|---|
bin | 10011000000010111… |
… | …100111110010001110 |
3 | 1221200012220120212201 |
4 | 103000113213302032 |
5 | 313243231140201 |
6 | 13212554552114 |
7 | 1321466035225 |
oct | 230027476216 |
9 | 57605816781 |
10 | 20407286926 |
11 | 8722421794 |
12 | 3b5643863a |
13 | 1c02b9ac10 |
14 | db8425cbc |
15 | 7e68bd801 |
hex | 4c05e7c8e |
20407286926 has 16 divisors (see below), whose sum is σ = 32985439200. Its totient is φ = 9413084448.
The previous prime is 20407286923. The next prime is 20407286929. The reversal of 20407286926 is 62968270402.
It is an interprime number because it is at equal distance from previous prime (20407286923) and next prime (20407286929).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20407286923) 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 7 ways as a sum of consecutive naturals, for example, 191746 + ... + 278533.
It is an arithmetic number, because the mean of its divisors is an integer number (2061589950).
Almost surely, 220407286926 is an apocalyptic number.
20407286926 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
20407286926 is a deficient number, since it is larger than the sum of its proper divisors (12578152274).
20407286926 is a wasteful number, since it uses less digits than its factorization.
20407286926 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 471963.
The product of its (nonzero) digits is 580608, while the sum is 46.
The spelling of 20407286926 in words is "twenty billion, four hundred seven million, two hundred eighty-six thousand, nine hundred twenty-six".
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