Base | Representation |
---|---|
bin | 11110110110100110111… |
… | …101100000111001101011 |
3 | 21111200122210000122121200 |
4 | 132312212331200321223 |
5 | 234214202311122311 |
6 | 4302003213135243 |
7 | 306116012550120 |
oct | 36664675407153 |
9 | 7450583018550 |
10 | 2120220020331 |
11 | 7481a8a22496 |
12 | 2a2ab548a523 |
13 | 124c221c548a |
14 | 7489510a747 |
15 | 3a242444556 |
hex | 1eda6f60e6b |
2120220020331 has 24 divisors (see below), whose sum is σ = 3566084352480. Its totient is φ = 1188694780416.
The previous prime is 2120220020287. The next prime is 2120220020383. The reversal of 2120220020331 is 1330200220212.
2120220020331 is a `hidden beast` number, since 212 + 0 + 220 + 0 + 203 + 31 = 666.
It is not a de Polignac number, because 2120220020331 - 211 = 2120220018283 is a prime.
It is a super-2 number, since 2×21202200203312 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2120220020131) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 317489926 + ... + 317496603.
It is an arithmetic number, because the mean of its divisors is an integer number (148586848020).
Almost surely, 22120220020331 is an apocalyptic number.
2120220020331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2120220020331 is a deficient number, since it is larger than the sum of its proper divisors (1445864332149).
2120220020331 is a wasteful number, since it uses less digits than its factorization.
2120220020331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 634986595 (or 634986592 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 2120220020331 its reverse (1330200220212), we get a palindrome (3450420240543).
The spelling of 2120220020331 in words is "two trillion, one hundred twenty billion, two hundred twenty million, twenty thousand, three hundred thirty-one".
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