Base | Representation |
---|---|
bin | 101111000010010101… |
… | …1010101111001101101 |
3 | 100122201120111221011210 |
4 | 1132010223111321231 |
5 | 3123332102432341 |
6 | 114223051105033 |
7 | 10204061360325 |
oct | 1360453257155 |
9 | 318646457153 |
10 | 101010202221 |
11 | 39924697a75 |
12 | 176b0142179 |
13 | 96a9bac536 |
14 | 4c632a6285 |
15 | 2962c83c16 |
hex | 1784ad5e6d |
101010202221 has 8 divisors (see below), whose sum is σ = 135740744704. Its totient is φ = 66809897280.
The previous prime is 101010202201. The next prime is 101010202231. The reversal of 101010202221 is 122202010101.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 101010202221 - 26 = 101010202157 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 101010202197 and 101010202206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101010202201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132558940 + ... + 132559701.
It is an arithmetic number, because the mean of its divisors is an integer number (16967593088).
Almost surely, 2101010202221 is an apocalyptic number.
It is an amenable number.
101010202221 is a deficient number, since it is larger than the sum of its proper divisors (34730542483).
101010202221 is a wasteful number, since it uses less digits than its factorization.
101010202221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 265118771.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 101010202221 its reverse (122202010101), we get a palindrome (223212212322).
The spelling of 101010202221 in words is "one hundred one billion, ten million, two hundred two thousand, two hundred twenty-one".
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