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30333022021 = 1714911975137
BaseRepresentation
bin11100001111111111…
…010010111101000101
32220021221221011201001
4130033333102331011
5444110223201041
621533525533301
72122452301351
oct341777227505
986257834631
1030333022021
1111956222445
125a66574231
132b25385553
14167a776461
15bc7eac131
hex70ffd2f45

30333022021 has 8 divisors (see below), whose sum is σ = 32332872600. Its totient is φ = 28357122048.

The previous prime is 30333022001. The next prime is 30333022037. The reversal of 30333022021 is 12022033303.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 218625796 + 30114396225 = 14786^2 + 173535^2 .

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 30333022021 - 213 = 30333013829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30333022021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30333022001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5985036 + ... + 5990101.

It is an arithmetic number, because the mean of its divisors is an integer number (4041609075).

Almost surely, 230333022021 is an apocalyptic number.

It is an amenable number.

30333022021 is a deficient number, since it is larger than the sum of its proper divisors (1999850579).

30333022021 is a wasteful number, since it uses less digits than its factorization.

30333022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11975303.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 30333022021 its reverse (12022033303), we get a palindrome (42355055324).

The spelling of 30333022021 in words is "thirty billion, three hundred thirty-three million, twenty-two thousand, twenty-one".

Divisors: 1 17 149 2533 11975137 203577329 1784295413 30333022021