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30444224321 = 723283766653
BaseRepresentation
bin11100010110100111…
…011111111101000001
32220120201011211120202
4130112213133331001
5444322210134241
621552541214545
72125302431330
oct342647377501
986521154522
1030444224321
1111a02a75375
125a97861455
132b4241bc24
14168b441d17
15bd2b25d9b
hex7169dff41

30444224321 has 16 divisors (see below), whose sum is σ = 36319497984. Its totient is φ = 24951309504.

The previous prime is 30444224309. The next prime is 30444224333. The reversal of 30444224321 is 12342244403.

It is an interprime number because it is at equal distance from previous prime (30444224309) and next prime (30444224333).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30444224321 is a prime.

It is a super-2 number, since 2×304442243212 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30444224221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423431 + ... + 490083.

It is an arithmetic number, because the mean of its divisors is an integer number (2269968624).

Almost surely, 230444224321 is an apocalyptic number.

It is an amenable number.

30444224321 is a deficient number, since it is larger than the sum of its proper divisors (5875273663).

30444224321 is a wasteful number, since it uses less digits than its factorization.

30444224321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69520.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 30444224321 its reverse (12342244403), we get a palindrome (42786468724).

The spelling of 30444224321 in words is "thirty billion, four hundred forty-four million, two hundred twenty-four thousand, three hundred twenty-one".

Divisors: 1 7 23 161 2837 19859 65251 66653 456757 466571 1533019 10731133 189094561 1323661927 4349174903 30444224321