Base | Representation |
---|---|
bin | 11101100111000110010000… |
… | …001010011000010101001101 |
3 | 122002002212201010012020122212 |
4 | 131213012100022120111031 |
5 | 114032142242214202341 |
6 | 1140550520411320205 |
7 | 36300546553500314 |
oct | 3547062012302515 |
9 | 562085633166585 |
10 | 130230122022221 |
11 | 3854a314875571 |
12 | 12733578450065 |
13 | 5788856320940 |
14 | 24232589ad27b |
15 | 100c8b71eb5eb |
hex | 76719029854d |
130230122022221 has 16 divisors (see below), whose sum is σ = 142172064012720. Its totient is φ = 118563141864960.
The previous prime is 130230122022181. The next prime is 130230122022239. The reversal of 130230122022221 is 122220221032031.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 1272521619721 + 128957600402500 = 1128061^2 + 11355950^2 .
It is a de Polignac number, because none of the positive numbers 2k-130230122022221 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130230122028221) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43712315 + ... + 46596423.
It is an arithmetic number, because the mean of its divisors is an integer number (8885754000795).
Almost surely, 2130230122022221 is an apocalyptic number.
It is an amenable number.
130230122022221 is a deficient number, since it is larger than the sum of its proper divisors (11941941990499).
130230122022221 is a wasteful number, since it uses less digits than its factorization.
130230122022221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2931776.
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 130230122022221 its reverse (122220221032031), we get a palindrome (252450343054252).
The spelling of 130230122022221 in words is "one hundred thirty trillion, two hundred thirty billion, one hundred twenty-two million, twenty-two thousand, two hundred twenty-one".
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