Search a number
-
+
30022312301221 = 293102465229697
BaseRepresentation
bin1101101001110000111010…
…10000101001001010100101
310221022002211120020002200211
412310320131100221022211
512413341143422114341
6143504020533135421
76216016613000122
oct664703520511245
9127262746202624
1030022312301221
119625433683219
12344a63778a571
13139a126ba8156
1475b1327c3749
15370e38a46181
hex1b4e1d4292a5

30022312301221 has 4 divisors (see below), whose sum is σ = 30124777531212. Its totient is φ = 29919847071232.

The previous prime is 30022312301173. The next prime is 30022312301281. The reversal of 30022312301221 is 12210321322003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29252413102500 + 769899198721 = 5408550^2 + 877439^2 .

It is a cyclic number.

It is not a de Polignac number, because 30022312301221 - 239 = 29472556487333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30022312301192 and 30022312301201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30022312301281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51232614556 + ... + 51232615141.

It is an arithmetic number, because the mean of its divisors is an integer number (7531194382803).

Almost surely, 230022312301221 is an apocalyptic number.

It is an amenable number.

30022312301221 is a deficient number, since it is larger than the sum of its proper divisors (102465229991).

30022312301221 is a wasteful number, since it uses less digits than its factorization.

30022312301221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102465229990.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 30022312301221 its reverse (12210321322003), we get a palindrome (42232633623224).

The spelling of 30022312301221 in words is "thirty trillion, twenty-two billion, three hundred twelve million, three hundred one thousand, two hundred twenty-one".

Divisors: 1 293 102465229697 30022312301221