Base | Representation |
---|---|
bin | 1001011111111110… |
… | …0101111011001100 |
3 | 20120201022221120121 |
4 | 2113333211323030 |
5 | 20210301430103 |
6 | 1101011554324 |
7 | 120122616610 |
oct | 22777457314 |
9 | 6521287517 |
10 | 2550030028 |
11 | 1099475337 |
12 | 5b1bbb9a4 |
13 | 3183c8410 |
14 | 1a2955340 |
15 | edd0e6bd |
hex | 97fe5ecc |
2550030028 has 48 divisors (see below), whose sum is σ = 5526196480. Its totient is φ = 1002590784.
The previous prime is 2550030017. The next prime is 2550030029. The reversal of 2550030028 is 8200300552.
It is a junction number, because it is equal to n+sod(n) for n = 2550029984 and 2550030011.
It is not an unprimeable number, because it can be changed into a prime (2550030029) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37843 + ... + 80821.
Almost surely, 22550030028 is an apocalyptic number.
2550030028 is a gapful number since it is divisible by the number (28) 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 2550030028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2763098240).
2550030028 is an abundant number, since it is smaller than the sum of its proper divisors (2976166452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2550030028 is a wasteful number, since it uses less digits than its factorization.
2550030028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43166 (or 43164 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 25.
The square root of 2550030028 is about 50497.8220124393. The cubic root of 2550030028 is about 1366.2025706628.
The spelling of 2550030028 in words is "two billion, five hundred fifty million, thirty thousand, twenty-eight".
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