Base | Representation |
---|---|
bin | 111111100100110… |
… | …101010101011010 |
3 | 2202100000220220201 |
4 | 333210311111122 |
5 | 4141023322000 |
6 | 253501212414 |
7 | 35301060013 |
oct | 7744652532 |
9 | 2670026821 |
10 | 1066620250 |
11 | 4a8096643 |
12 | 25926110a |
13 | 13cc94557 |
14 | a193000a |
15 | 6399096a |
hex | 3f93555a |
1066620250 has 16 divisors (see below), whose sum is σ = 1996713576. Its totient is φ = 426648000.
The previous prime is 1066620199. The next prime is 1066620257. The reversal of 1066620250 is 520266601.
It can be written as a sum of positive squares in 4 ways, for example, as 475109209 + 591511041 = 21797^2 + 24321^2 .
It is a super-2 number, since 2×10666202502 = 2275357515420125000, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1066620257) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2132991 + ... + 2133490.
Almost surely, 21066620250 is an apocalyptic number.
1066620250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1066620250 is a deficient number, since it is larger than the sum of its proper divisors (930093326).
1066620250 is an equidigital number, since it uses as much as digits as its factorization.
1066620250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4266498 (or 4266488 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 28.
The square root of 1066620250 is about 32659.1526221977. The cubic root of 1066620250 is about 1021.7310890058.
Adding to 1066620250 its reverse (520266601), we get a palindrome (1586886851).
The spelling of 1066620250 in words is "one billion, sixty-six million, six hundred twenty thousand, two hundred fifty".
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