Base | Representation |
---|---|
bin | 10001111001101101110… |
… | …100110111100100101000 |
3 | 11100121100222101202221212 |
4 | 101321231310313210220 |
5 | 130123424011103222 |
6 | 2341051512252252 |
7 | 154610403566531 |
oct | 21715564674450 |
9 | 4317328352855 |
10 | 1230203222312 |
11 | 4347a9714049 |
12 | 17a5086a1088 |
13 | 8c013ac499c |
14 | 43783953688 |
15 | 220015a86e2 |
hex | 11e6dd37928 |
1230203222312 has 8 divisors (see below), whose sum is σ = 2306631041850. Its totient is φ = 615101611152.
The previous prime is 1230203222291. The next prime is 1230203222333. The reversal of 1230203222312 is 2132223020321.
It is an interprime number because it is at equal distance from previous prime (1230203222291) and next prime (1230203222333).
It can be written as a sum of positive squares in only one way, i.e., 655053897316 + 575149324996 = 809354^2 + 758386^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76887701387 + ... + 76887701402.
Almost surely, 21230203222312 is an apocalyptic number.
It is an amenable number.
1230203222312 is a deficient number, since it is larger than the sum of its proper divisors (1076427819538).
1230203222312 is a wasteful number, since it uses less digits than its factorization.
1230203222312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 153775402795 (or 153775402791 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 1230203222312 its reverse (2132223020321), we get a palindrome (3362426242633).
The spelling of 1230203222312 in words is "one trillion, two hundred thirty billion, two hundred three million, two hundred twenty-two thousand, three hundred twelve".
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