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30013030220021 = 533259173759923
BaseRepresentation
bin1101101001011111101000…
…00000010100000011110101
310221021012212200100112000122
412310233310000110003311
512413213141214020041
6143455443514021325
76215240603416652
oct664576400240365
9127235780315018
1030013030220021
119621500137232
123448887117845
1313992a7b62104
1475a8d1b40c29
15370a93be9c4b
hex1b4bf40140f5

30013030220021 has 8 divisors (see below), whose sum is σ = 30588697020960. Its totient is φ = 29437710945552.

The previous prime is 30013030219999. The next prime is 30013030220051. The reversal of 30013030220021 is 12002203031003.

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 30013030220021 - 26 = 30013030219957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30013030220051) 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, 86707235 + ... + 87052688.

It is an arithmetic number, because the mean of its divisors is an integer number (3823587127620).

Almost surely, 230013030220021 is an apocalyptic number.

It is an amenable number.

30013030220021 is a deficient number, since it is larger than the sum of its proper divisors (575666800939).

30013030220021 is a wasteful number, since it uses less digits than its factorization.

30013030220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173763235.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30013030220021 its reverse (12002203031003), we get a palindrome (42015233251024).

The spelling of 30013030220021 in words is "thirty trillion, thirteen billion, thirty million, two hundred twenty thousand, twenty-one".

Divisors: 1 53 3259 172727 173759923 9209275919 566283589057 30013030220021