Base | Representation |
---|---|
bin | 101101100001011101000001… |
… | …100110000110101100100101 |
3 | 222020212222120220021000002222 |
4 | 231201131001212012230211 |
5 | 202220224112224322411 |
6 | 1545451355241242125 |
7 | 60112524150315032 |
oct | 5541350146065445 |
9 | 866788526230088 |
10 | 200211001010981 |
11 | 58880010642964 |
12 | 1a556297193345 |
13 | 8793a7c79a8bc |
14 | 376239ab9a389 |
15 | 1822e332024db |
hex | b61741986b25 |
200211001010981 has 16 divisors (see below), whose sum is σ = 206756972986368. Its totient is φ = 193670508654000.
The previous prime is 200211001010939. The next prime is 200211001011011. The reversal of 200211001010981 is 189010100112002.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-200211001010981 is a prime.
It is a super-2 number, since 2×2002110010109812 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 200211001010981.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (200211001010921) 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, 2011656086 + ... + 2011755608.
It is an arithmetic number, because the mean of its divisors is an integer number (12922310811648).
Almost surely, 2200211001010981 is an apocalyptic number.
It is an amenable number.
200211001010981 is a deficient number, since it is larger than the sum of its proper divisors (6545971975387).
200211001010981 is a wasteful number, since it uses less digits than its factorization.
200211001010981 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 126392.
The product of its (nonzero) digits is 288, while the sum is 26.
Adding to 200211001010981 its reverse (189010100112002), we get a palindrome (389221101122983).
The spelling of 200211001010981 in words is "two hundred trillion, two hundred eleven billion, one million, ten thousand, nine hundred eighty-one".
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