Base | Representation |
---|---|
bin | 1101101111100101011011… |
… | …01001000101001100101101 |
3 | 10222000020001021020102222021 |
4 | 12313302231221011030231 |
5 | 12430130234044402341 |
6 | 144135533454350141 |
7 | 6236326562634160 |
oct | 667625551051455 |
9 | 128006037212867 |
10 | 30222303122221 |
11 | 96a2230245071 |
12 | 34813501bb351 |
13 | 13b2c49332362 |
14 | 766aa5595ad7 |
15 | 3762412a59d1 |
hex | 1b7cada4532d |
30222303122221 has 32 divisors (see below), whose sum is σ = 36195102720000. Its totient is φ = 24672951441600.
The previous prime is 30222303122201. The next prime is 30222303122237. The reversal of 30222303122221 is 12222130322203.
It is not a de Polignac number, because 30222303122221 - 211 = 30222303120173 is a prime.
It is a super-2 number, since 2×302223031222212 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30222303122201) 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, 719574780 + ... + 719616778.
It is an arithmetic number, because the mean of its divisors is an integer number (1131096960000).
Almost surely, 230222303122221 is an apocalyptic number.
It is an amenable number.
30222303122221 is a deficient number, since it is larger than the sum of its proper divisors (5972799597779).
30222303122221 is a wasteful number, since it uses less digits than its factorization.
30222303122221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60969.
The product of its (nonzero) digits is 3456, while the sum is 25.
Adding to 30222303122221 its reverse (12222130322203), we get a palindrome (42444433444424).
The spelling of 30222303122221 in words is "thirty trillion, two hundred twenty-two billion, three hundred three million, one hundred twenty-two thousand, two hundred twenty-one".
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