Base | Representation |
---|---|
bin | 111100100010111101… |
… | …1010101101100001001 |
3 | 110102121110201020012121 |
4 | 1321011323111230021 |
5 | 4112241140431441 |
6 | 135421551011241 |
7 | 12252033324400 |
oct | 1710573255411 |
9 | 412543636177 |
10 | 130022202121 |
11 | 50162163999 |
12 | 21248209b21 |
13 | c351679396 |
14 | 6416408637 |
15 | 35aec9bdd1 |
hex | 1e45ed5b09 |
130022202121 has 12 divisors (see below), whose sum is σ = 152265428100. Its totient is φ = 110699625120.
The previous prime is 130022202047. The next prime is 130022202137. The reversal of 130022202121 is 121202220031.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 71184908025 + 58837294096 = 266805^2 + 242564^2 .
It is not a de Polignac number, because 130022202121 - 27 = 130022201993 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 130022202095 and 130022202104.
It is not an unprimeable number, because it can be changed into a prime (130022202721) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8897110 + ... + 8911711.
It is an arithmetic number, because the mean of its divisors is an integer number (12688785675).
Almost surely, 2130022202121 is an apocalyptic number.
It is an amenable number.
130022202121 is a deficient number, since it is larger than the sum of its proper divisors (22243225979).
130022202121 is a wasteful number, since it uses less digits than its factorization.
130022202121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17808984 (or 17808977 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 130022202121 its reverse (121202220031), we get a palindrome (251224422152).
The spelling of 130022202121 in words is "one hundred thirty billion, twenty-two million, two hundred two thousand, one hundred twenty-one".
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