Base | Representation |
---|---|
bin | 110010010000000111110011… |
… | …001100001001111010100101 |
3 | 1001222112100222200120111122120 |
4 | 302100013303030021322211 |
5 | 212432012403310400401 |
6 | 2102014405001020153 |
7 | 64360314042346542 |
oct | 6220076314117245 |
9 | 1058470880514576 |
10 | 221010212200101 |
11 | 644699a5076375 |
12 | 20955314a84659 |
13 | 9642234494cac |
14 | 3c80d466c7bc9 |
15 | 1a83eb1eb3836 |
hex | c901f3309ea5 |
221010212200101 has 32 divisors (see below), whose sum is σ = 315332623267200. Its totient is φ = 137201998417920.
The previous prime is 221010212200081. The next prime is 221010212200139. The reversal of 221010212200101 is 101002212010122.
It is not a de Polignac number, because 221010212200101 - 215 = 221010212167333 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (221010212200201) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24926596 + ... + 32609133.
It is an arithmetic number, because the mean of its divisors is an integer number (9854144477100).
Almost surely, 2221010212200101 is an apocalyptic number.
It is an amenable number.
221010212200101 is a deficient number, since it is larger than the sum of its proper divisors (94322411067099).
221010212200101 is a wasteful number, since it uses less digits than its factorization.
221010212200101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57536549.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 221010212200101 its reverse (101002212010122), we get a palindrome (322012424210223).
The spelling of 221010212200101 in words is "two hundred twenty-one trillion, ten billion, two hundred twelve million, two hundred thousand, one hundred one".
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