Base | Representation |
---|---|
bin | 101101101101000111000010… |
… | …000111010000010111000101 |
3 | 222100201120011100212201221020 |
4 | 231231013002013100113011 |
5 | 202321340104400231041 |
6 | 1551303351521541353 |
7 | 60224432161616313 |
oct | 5555070207202705 |
9 | 870646140781836 |
10 | 201012021102021 |
11 | 590597a05a30a8 |
12 | 1a6655871a4859 |
13 | 8821476b9a12c |
14 | 378d0687bd0b3 |
15 | 1838bb5d43866 |
hex | b6d1c21d05c5 |
201012021102021 has 16 divisors (see below), whose sum is σ = 283783543142400. Its totient is φ = 126124360247808.
The previous prime is 201012021101989. The next prime is 201012021102059. The reversal of 201012021102021 is 120201120210102.
It is not a de Polignac number, because 201012021102021 - 25 = 201012021101989 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201012021102091) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5082976 + ... + 20684793.
It is an arithmetic number, because the mean of its divisors is an integer number (17736471446400).
Almost surely, 2201012021102021 is an apocalyptic number.
It is an amenable number.
201012021102021 is a deficient number, since it is larger than the sum of its proper divisors (82771522040379).
201012021102021 is a wasteful number, since it uses less digits than its factorization.
201012021102021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25920748.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 201012021102021 its reverse (120201120210102), we get a palindrome (321213141312123).
The spelling of 201012021102021 in words is "two hundred one trillion, twelve billion, twenty-one million, one hundred two thousand, twenty-one".
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