Base | Representation |
---|---|
bin | 10001111001101101110… |
… | …100110111101111100011 |
3 | 11100121100222101210220202 |
4 | 101321231310313233203 |
5 | 130123424011114021 |
6 | 2341051512255415 |
7 | 154610403601550 |
oct | 21715564675743 |
9 | 4317328353822 |
10 | 1230203223011 |
11 | 4347a9714624 |
12 | 17a5086a156b |
13 | 8c013ac50b9 |
14 | 43783953a27 |
15 | 220015a8a0b |
hex | 11e6dd37be3 |
1230203223011 has 8 divisors (see below), whose sum is σ = 1428994845024. Its totient is φ = 1037173677120.
The previous prime is 1230203222987. The next prime is 1230203223017. The reversal of 1230203223011 is 1103223020321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-1230203223011 is a prime.
It is a super-2 number, since 2×12302032230112 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1230203223017) 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, 1440518570 + ... + 1440519423.
It is an arithmetic number, because the mean of its divisors is an integer number (178624355628).
Almost surely, 21230203223011 is an apocalyptic number.
1230203223011 is a deficient number, since it is larger than the sum of its proper divisors (198791622013).
1230203223011 is an equidigital number, since it uses as much as digits as its factorization.
1230203223011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2881038061.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 1230203223011 its reverse (1103223020321), we get a palindrome (2333426243332).
The spelling of 1230203223011 in words is "one trillion, two hundred thirty billion, two hundred three million, two hundred twenty-three thousand, eleven".
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