Base | Representation |
---|---|
bin | 111001100001100… |
… | …1010111110000000 |
3 | 11222112000212222201 |
4 | 1303003022332000 |
5 | 12423113224300 |
6 | 515311042544 |
7 | 65555344621 |
oct | 16303127600 |
9 | 4875025881 |
10 | 1930211200 |
11 | 900610275 |
12 | 45a510454 |
13 | 249b80a08 |
14 | 1444cda48 |
15 | b46c966a |
hex | 730caf80 |
1930211200 has 48 divisors (see below), whose sum is σ = 4768232760. Its totient is φ = 772083200.
The previous prime is 1930211141. The next prime is 1930211201. The reversal of 1930211200 is 21120391.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1930211201) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 298396 + ... + 304795.
Almost surely, 21930211200 is an apocalyptic number.
1930211200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1930211200 is an abundant number, since it is smaller than the sum of its proper divisors (2838021560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1930211200 is an equidigital number, since it uses as much as digits as its factorization.
1930211200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 603215 (or 603198 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 19.
The square root of 1930211200 is about 43934.1689348962. The cubic root of 1930211200 is about 1245.0924808858.
Adding to 1930211200 its reverse (21120391), we get a palindrome (1951331591).
The spelling of 1930211200 in words is "one billion, nine hundred thirty million, two hundred eleven thousand, two hundred".
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