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30222321000 = 23353291093187
BaseRepresentation
bin11100001001011001…
…000000010101101000
32220000020121222110020
4130021121000111220
5443343403233000
621514533120440
72116636330014
oct341131002550
986006558406
1030222321000
11118a97920a3
125a35489120
132b084660a1
141669b9b544
15bbd3e1ba0
hex709640568

30222321000 has 256 divisors, whose sum is σ = 98470944000. Its totient is φ = 7707571200.

The previous prime is 30222320993. The next prime is 30222321007. The reversal of 30222321000 is 12322203.

It is an interprime number because it is at equal distance from previous prime (30222320993) and next prime (30222321007).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (30222321007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9481407 + ... + 9484593.

It is an arithmetic number, because the mean of its divisors is an integer number (384652125).

Almost surely, 230222321000 is an apocalyptic number.

30222321000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30222321000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49235472000).

30222321000 is an abundant number, since it is smaller than the sum of its proper divisors (68248623000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30222321000 is a wasteful number, since it uses less digits than its factorization.

30222321000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3349 (or 3335 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 30222321000 its reverse (12322203), we get a palindrome (30234643203).

The spelling of 30222321000 in words is "thirty billion, two hundred twenty-two million, three hundred twenty-one thousand".