Base | Representation |
---|---|
bin | 101111111110011110000000… |
… | …111110001010110010000011 |
3 | 1000200002111112000121101110210 |
4 | 233332132000332022302003 |
5 | 210124020043131200311 |
6 | 2024432310440525203 |
7 | 62305215012465645 |
oct | 5776360076126203 |
9 | 1020074460541423 |
10 | 211001022131331 |
11 | 612600382316a3 |
12 | 1b7b94b3480803 |
13 | 909740739b673 |
14 | 3a1670ac28895 |
15 | 195d94a34c3a6 |
hex | bfe780f8ac83 |
211001022131331 has 8 divisors (see below), whose sum is σ = 281334883594240. Its totient is φ = 140667254377992.
The previous prime is 211001022131321. The next prime is 211001022131363. The reversal of 211001022131331 is 133131220100112.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 211001022131331 - 219 = 211001021607043 is a prime.
It is a super-2 number, since 2×2110010221313312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 211001022131298 and 211001022131307.
It is not an unprimeable number, because it can be changed into a prime (211001022131321) 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, 17993491 + ... + 27308748.
It is an arithmetic number, because the mean of its divisors is an integer number (35166860449280).
Almost surely, 2211001022131331 is an apocalyptic number.
211001022131331 is a deficient number, since it is larger than the sum of its proper divisors (70333861462909).
211001022131331 is a wasteful number, since it uses less digits than its factorization.
211001022131331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46854785.
The product of its (nonzero) digits is 216, while the sum is 21.
Adding to 211001022131331 its reverse (133131220100112), we get a palindrome (344132242231443).
The spelling of 211001022131331 in words is "two hundred eleven trillion, one billion, twenty-two million, one hundred thirty-one thousand, three hundred thirty-one".
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