Base | Representation |
---|---|
bin | 100000001011001011101… |
… | …010100011101101110011 |
3 | 21211101001111020202101202 |
4 | 200023023222203231303 |
5 | 242211142202340311 |
6 | 4411422212521415 |
7 | 315512246640143 |
oct | 40131352435563 |
9 | 7741044222352 |
10 | 2211030121331 |
11 | 782768953439 |
12 | 2b861962026b |
13 | 130664ac6155 |
14 | 7902b842923 |
15 | 3c7a9990e3b |
hex | 202cbaa3b73 |
2211030121331 has 16 divisors (see below), whose sum is σ = 2287408662528. Its totient is φ = 2134971820800.
The previous prime is 2211030121309. The next prime is 2211030121367. The reversal of 2211030121331 is 1331210301122.
It is a happy number.
2211030121331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2211030121331 is a prime.
It is a super-2 number, since 2×22110301213312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2211030121301) 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, 31791011 + ... + 31860483.
It is an arithmetic number, because the mean of its divisors is an integer number (142963041408).
Almost surely, 22211030121331 is an apocalyptic number.
2211030121331 is a deficient number, since it is larger than the sum of its proper divisors (76378541197).
2211030121331 is a wasteful number, since it uses less digits than its factorization.
2211030121331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71762.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 2211030121331 its reverse (1331210301122), we get a palindrome (3542240422453).
The spelling of 2211030121331 in words is "two trillion, two hundred eleven billion, thirty million, one hundred twenty-one thousand, three hundred thirty-one".
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