Base | Representation |
---|---|
bin | 10010101110101010… |
… | …011001111110010010 |
3 | 1220220111221002022111 |
4 | 102232222121332102 |
5 | 312141204034302 |
6 | 13123303455534 |
7 | 1311231026341 |
oct | 225652317622 |
9 | 56814832274 |
10 | 20110221202 |
11 | 858a771925 |
12 | 3a92a575aa |
13 | 1b86489896 |
14 | d8abb7b58 |
15 | 7ca78e0d7 |
hex | 4aea99f92 |
20110221202 has 4 divisors (see below), whose sum is σ = 30165331806. Its totient is φ = 10055110600.
The previous prime is 20110221191. The next prime is 20110221211. The reversal of 20110221202 is 20212201102.
It is a happy number.
20110221202 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 18761054841 + 1349166361 = 136971^2 + 36731^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5027555299 + ... + 5027555302.
Almost surely, 220110221202 is an apocalyptic number.
20110221202 is a deficient number, since it is larger than the sum of its proper divisors (10055110604).
20110221202 is a wasteful number, since it uses less digits than its factorization.
20110221202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10055110603.
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 20110221202 its reverse (20212201102), we get a palindrome (40322422304).
The spelling of 20110221202 in words is "twenty billion, one hundred ten million, two hundred twenty-one thousand, two hundred two".
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