Base | Representation |
---|---|
bin | 111011101111001… |
… | …101000101101001 |
3 | 2120211212120021010 |
4 | 323233031011221 |
5 | 4023032330441 |
6 | 243241134133 |
7 | 33556546464 |
oct | 7357150551 |
9 | 2524776233 |
10 | 1002230121 |
11 | 474807362 |
12 | 23b78a349 |
13 | 12c83b299 |
14 | 9716c2db |
15 | 5cec2116 |
hex | 3bbcd169 |
1002230121 has 8 divisors (see below), whose sum is σ = 1414913184. Its totient is φ = 628850240.
The previous prime is 1002230081. The next prime is 1002230191. The reversal of 1002230121 is 1210322001.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1002230121 - 215 = 1002197353 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 1002230097 and 1002230106.
It is not an unprimeable number, because it can be changed into a prime (1002230191) 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, 9825735 + ... + 9825836.
It is an arithmetic number, because the mean of its divisors is an integer number (176864148).
Almost surely, 21002230121 is an apocalyptic number.
It is an amenable number.
1002230121 is a deficient number, since it is larger than the sum of its proper divisors (412683063).
1002230121 is a wasteful number, since it uses less digits than its factorization.
1002230121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19651591.
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 1002230121 is about 31658.0182734169. The cubic root of 1002230121 is about 1000.7428217459.
Adding to 1002230121 its reverse (1210322001), we get a palindrome (2212552122).
The spelling of 1002230121 in words is "one billion, two million, two hundred thirty thousand, one hundred twenty-one".
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