Base | Representation |
---|---|
bin | 110010010000000000010000… |
… | …111111010010111110001010 |
3 | 1001222111121002212211111012101 |
4 | 302100000100333102332022 |
5 | 212431344321241224320 |
6 | 2102010550124304014 |
7 | 64356606416521234 |
oct | 6220002077227612 |
9 | 1058447085744171 |
10 | 221002122211210 |
11 | 64466523524a3a |
12 | 209538376a200a |
13 | 9641545405012 |
14 | 3c807ba0b7254 |
15 | 1a83b8bb3ec0a |
hex | c90010fd2f8a |
221002122211210 has 32 divisors (see below), whose sum is σ = 411251515722432. Its totient is φ = 85454860377600.
The previous prime is 221002122211193. The next prime is 221002122211291. The reversal of 221002122211210 is 12112221200122.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2649228516 + ... + 2649311935.
It is an arithmetic number, because the mean of its divisors is an integer number (12851609866326).
Almost surely, 2221002122211210 is an apocalyptic number.
221002122211210 is a deficient number, since it is larger than the sum of its proper divisors (190249393511222).
221002122211210 is a wasteful number, since it uses less digits than its factorization.
221002122211210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5298540598.
The product of its (nonzero) digits is 128, while the sum is 19.
Adding to 221002122211210 its reverse (12112221200122), we get a palindrome (233114343411332).
The spelling of 221002122211210 in words is "two hundred twenty-one trillion, two billion, one hundred twenty-two million, two hundred eleven thousand, two hundred ten".
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