Search a number
-
+
30222303122221 = 7232391870141999
BaseRepresentation
bin1101101111100101011011…
…01001000101001100101101
310222000020001021020102222021
412313302231221011030231
512430130234044402341
6144135533454350141
76236326562634160
oct667625551051455
9128006037212867
1030222303122221
1196a2230245071
1234813501bb351
1313b2c49332362
14766aa5595ad7
153762412a59d1
hex1b7cada4532d

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".

Divisors: 1 7 23 161 239 1673 5497 18701 38479 41999 130907 293993 430123 965977 3010861 4469539 6761839 10037761 31286773 70264327 102799397 230868503 719595779 785423299 1616079521 5497963093 18064735877 126453151139 187716168461 1314013179227 4317471874603 30222303122221