Base | Representation |
---|---|
bin | 10001111001100111111… |
… | …110010001101010110001 |
3 | 11100121010010121211211211 |
4 | 101321213332101222301 |
5 | 130123223341301301 |
6 | 2341034043440121 |
7 | 154605102123553 |
oct | 21714776215261 |
9 | 4317103554754 |
10 | 1230105025201 |
11 | 434759244108 |
12 | 17a49b826041 |
13 | 8bcc96629a0 |
14 | 437748b14d3 |
15 | 21ee7b5d051 |
hex | 11e67f91ab1 |
1230105025201 has 8 divisors (see below), whose sum is σ = 1324979410664. Its totient is φ = 1135266485760.
The previous prime is 1230105025183. The next prime is 1230105025213. The reversal of 1230105025201 is 1025205010321.
It can be written as a sum of positive squares in 4 ways, for example, as 66729222400 + 1163375802801 = 258320^2 + 1078599^2 .
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 1230105025201 - 225 = 1230071470769 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1230105025291) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8890206 + ... + 9027511.
It is an arithmetic number, because the mean of its divisors is an integer number (165622426333).
Almost surely, 21230105025201 is an apocalyptic number.
It is an amenable number.
1230105025201 is a deficient number, since it is larger than the sum of its proper divisors (94874385463).
1230105025201 is a wasteful number, since it uses less digits than its factorization.
1230105025201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17923011.
The product of its (nonzero) digits is 600, while the sum is 22.
The spelling of 1230105025201 in words is "one trillion, two hundred thirty billion, one hundred five million, twenty-five thousand, two hundred one".
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