Base | Representation |
---|---|
bin | 100011110010111… |
… | …1011000000000010 |
3 | 10002201010101110021 |
4 | 1013211323000002 |
5 | 4424441421310 |
6 | 315104124054 |
7 | 41523244201 |
oct | 10745730002 |
9 | 3081111407 |
10 | 1201123330 |
11 | 567003810 |
12 | 29630662a |
13 | 161ac8884 |
14 | b5743238 |
15 | 706ad5da |
hex | 4797b002 |
1201123330 has 64 divisors (see below), whose sum is σ = 2414727936. Its totient is φ = 426496000.
The previous prime is 1201123291. The next prime is 1201123393. The reversal of 1201123330 is 333211021.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 881850 + ... + 883210.
It is an arithmetic number, because the mean of its divisors is an integer number (37730124).
Almost surely, 21201123330 is an apocalyptic number.
1201123330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1201123330 is an abundant number, since it is smaller than the sum of its proper divisors (1213604606).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1201123330 is a wasteful number, since it uses less digits than its factorization.
1201123330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1563.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 1201123330 is about 34657.2262306146. The cubic root of 1201123330 is about 1062.9900536164.
Adding to 1201123330 its reverse (333211021), we get a palindrome (1534334351).
The spelling of 1201123330 in words is "one billion, two hundred one million, one hundred twenty-three thousand, three hundred thirty".
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