Base | Representation |
---|---|
bin | 1001100011011110100100… |
… | …01110010011110011000010 |
3 | 2202101120000210120211221220 |
4 | 10301233102032103303002 |
5 | 10223212403233324302 |
6 | 112403542543255510 |
7 | 4265636432314221 |
oct | 461572216236302 |
9 | 82346023524856 |
10 | 21010212011202 |
11 | 6770420a44107 |
12 | 2433b055aa596 |
13 | b9534016b14b |
14 | 528c84a54cb8 |
15 | 2667ccdd84bc |
hex | 131bd2393cc2 |
21010212011202 has 16 divisors (see below), whose sum is σ = 42021301137120. Its totient is φ = 7003257817952.
The previous prime is 21010212011197. The next prime is 21010212011207. The reversal of 21010212011202 is 20211021201012.
It is an interprime number because it is at equal distance from previous prime (21010212011197) and next prime (21010212011207).
It is not an unprimeable number, because it can be changed into a prime (21010212011207) 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, 36234843 + ... + 36810110.
It is an arithmetic number, because the mean of its divisors is an integer number (2626331321070).
Almost surely, 221010212011202 is an apocalyptic number.
21010212011202 is an abundant number, since it is smaller than the sum of its proper divisors (21011089125918).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21010212011202 is a wasteful number, since it uses less digits than its factorization.
21010212011202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73092897.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 21010212011202 its reverse (20211021201012), we get a palindrome (41221233212214).
The spelling of 21010212011202 in words is "twenty-one trillion, ten billion, two hundred twelve million, eleven thousand, two hundred two".
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