Base | Representation |
---|---|
bin | 10111001100100101101001… |
… | …101110101010011111001101 |
3 | 111101020000210102010001221102 |
4 | 113030211221232222133031 |
5 | 101332444212244202341 |
6 | 1000551222430512445 |
7 | 30326465656046540 |
oct | 2714455156523715 |
9 | 441200712101842 |
10 | 102020132022221 |
11 | 2a56354995a256 |
12 | b538227965725 |
13 | 44c05c352acaa |
14 | 1b29b2d312857 |
15 | bbdb9ede5c9b |
hex | 5cc969baa7cd |
102020132022221 has 16 divisors (see below), whose sum is σ = 119500835448960. Its totient is φ = 85268265169920.
The previous prime is 102020132022209. The next prime is 102020132022241. The reversal of 102020132022221 is 122220231020201.
It is a de Polignac number, because none of the positive numbers 2k-102020132022221 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 102020132022193 and 102020132022202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102020132022241) 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, 92654276 + ... + 93748893.
It is an arithmetic number, because the mean of its divisors is an integer number (7468802215560).
Almost surely, 2102020132022221 is an apocalyptic number.
It is an amenable number.
102020132022221 is a deficient number, since it is larger than the sum of its proper divisors (17480703426739).
102020132022221 is a wasteful number, since it uses less digits than its factorization.
102020132022221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 186405124.
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 102020132022221 its reverse (122220231020201), we get a palindrome (224240363042422).
The spelling of 102020132022221 in words is "one hundred two trillion, twenty billion, one hundred thirty-two million, twenty-two thousand, two hundred twenty-one".
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