Base | Representation |
---|---|
bin | 1011101100110111011… |
… | …0001100100101100111 |
3 | 201012212120102022011000 |
4 | 2323031312030211213 |
5 | 11243143120012411 |
6 | 232203115444343 |
7 | 20344341036546 |
oct | 2731566144547 |
9 | 635776368130 |
10 | 201022032231 |
11 | 78286773139 |
12 | 32b61a566b3 |
13 | 15c57ca1787 |
14 | 9a2db2615d |
15 | 5368058956 |
hex | 2ecdd8c967 |
201022032231 has 8 divisors (see below), whose sum is σ = 297810418160. Its totient is φ = 134014688136.
The previous prime is 201022032161. The next prime is 201022032271. The reversal of 201022032231 is 132230220102.
It is not a de Polignac number, because 201022032231 - 218 = 201021770087 is a prime.
It is a super-2 number, since 2×2010220322312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201022032271) 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, 3722630200 + ... + 3722630253.
It is an arithmetic number, because the mean of its divisors is an integer number (37226302270).
Almost surely, 2201022032231 is an apocalyptic number.
201022032231 is a deficient number, since it is larger than the sum of its proper divisors (96788385929).
201022032231 is an equidigital number, since it uses as much as digits as its factorization.
201022032231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7445260462 (or 7445260456 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 201022032231 its reverse (132230220102), we get a palindrome (333252252333).
The spelling of 201022032231 in words is "two hundred one billion, twenty-two million, thirty-two thousand, two hundred thirty-one".
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