| Base | Representation |
|---|---|
| bin | 1001100011111000… |
| … | …1000000111101100 |
| 3 | 20121212011210112110 |
| 4 | 2120332020013230 |
| 5 | 20224001014040 |
| 6 | 1102355204020 |
| 7 | 120412143600 |
| oct | 23076100754 |
| 9 | 6555153473 |
| 10 | 2566423020 |
| 11 | 10a7751667 |
| 12 | 5b75a6610 |
| 13 | 31b917b05 |
| 14 | 1a4bc1500 |
| 15 | 10049b980 |
| hex | 98f881ec |
2566423020 has 144 divisors (see below), whose sum is σ = 8851096800. Its totient is φ = 552093696.
The previous prime is 2566423019. The next prime is 2566423021. The reversal of 2566423020 is 203246652.
It is an interprime number because it is at equal distance from previous prime (2566423019) and next prime (2566423021).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (2566423021) 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, 24306 + ... + 75654.
It is an arithmetic number, because the mean of its divisors is an integer number (61465950).
Almost surely, 22566423020 is an apocalyptic number.
2566423020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2566423020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4425548400).
2566423020 is an abundant number, since it is smaller than the sum of its proper divisors (6284673780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2566423020 is a wasteful number, since it uses less digits than its factorization.
2566423020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51392 (or 51383 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 30.
The square root of 2566423020 is about 50659.8758387740. The cubic root of 2566423020 is about 1369.1238861842.
Adding to 2566423020 its reverse (203246652), we get a palindrome (2769669672).
It can be divided in two parts, 25664 and 23020, that added together give a palindrome (48684).
The spelling of 2566423020 in words is "two billion, five hundred sixty-six million, four hundred twenty-three thousand, twenty".
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