Search a number
-
+
30102202223 = 231916852311
BaseRepresentation
bin11100000010001110…
…110010011101101111
32212200212121022110122
4130002032302131233
5443122130432343
621455002355155
72113650332342
oct340216623557
985625538418
1030102202223
11118479aa085
125a011bbabb
132ab95ca0a2
141657c50459
15bb2ab6068
hex7023b276f

30102202223 has 8 divisors (see below), whose sum is σ = 31575453696. Its totient is φ = 28642655800.

The previous prime is 30102202219. The next prime is 30102202241. The reversal of 30102202223 is 32220220103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30102202223 - 22 = 30102202219 is a prime.

It is a super-2 number, since 2×301022022232 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30102205223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3421763 + ... + 3430548.

It is an arithmetic number, because the mean of its divisors is an integer number (3946931712).

Almost surely, 230102202223 is an apocalyptic number.

30102202223 is a deficient number, since it is larger than the sum of its proper divisors (1473251473).

30102202223 is a wasteful number, since it uses less digits than its factorization.

30102202223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6852525.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 30102202223 its reverse (32220220103), we get a palindrome (62322422326).

The spelling of 30102202223 in words is "thirty billion, one hundred two million, two hundred two thousand, two hundred twenty-three".

Divisors: 1 23 191 4393 6852311 157603153 1308791401 30102202223