Base | Representation |
---|---|
bin | 100000011110101110111… |
… | …100100010010001010101 |
3 | 21220101020112022011010120 |
4 | 200132232330202101111 |
5 | 243032140410144341 |
6 | 4425213253542153 |
7 | 320154420402462 |
oct | 40365674422125 |
9 | 7811215264116 |
10 | 2232023131221 |
11 | 790660961494 |
12 | 3006b8044959 |
13 | 13262c1313b0 |
14 | 7a05d976669 |
15 | 3d0d79ac066 |
hex | 207aef22455 |
2232023131221 has 32 divisors (see below), whose sum is σ = 3220071547392. Its totient is φ = 1367088053760.
The previous prime is 2232023131207. The next prime is 2232023131237. The reversal of 2232023131221 is 1221313202322.
It is not a de Polignac number, because 2232023131221 - 214 = 2232023114837 is a prime.
It is a super-3 number, since 3×22320231312213 (a number of 38 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2232023131191 and 2232023131200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2232023131271) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7930516 + ... + 8207138.
It is an arithmetic number, because the mean of its divisors is an integer number (100627235856).
Almost surely, 22232023131221 is an apocalyptic number.
It is an amenable number.
2232023131221 is a deficient number, since it is larger than the sum of its proper divisors (988048416171).
2232023131221 is a wasteful number, since it uses less digits than its factorization.
2232023131221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 277613.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 2232023131221 its reverse (1221313202322), we get a palindrome (3453336333543).
The spelling of 2232023131221 in words is "two trillion, two hundred thirty-two billion, twenty-three million, one hundred thirty-one thousand, two hundred twenty-one".
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