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30204124221 = 376003132469
BaseRepresentation
bin11100001000010011…
…100101110000111101
32212221222101111011110
4130020103211300331
5443324223433341
621513043112233
72116325551125
oct341023456075
985858344143
1030204124221
111189a493637
125a2b372679
132b0476466b
1416675c1c85
15bbb9ea216
hex7084e5c3d

30204124221 has 8 divisors (see below), whose sum is σ = 40272999520. Its totient is φ = 20135665872.

The previous prime is 30204124201. The next prime is 30204124241. The reversal of 30204124221 is 12242140203.

It is an interprime number because it is at equal distance from previous prime (30204124201) and next prime (30204124241).

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

It is not a de Polignac number, because 30204124221 - 26 = 30204124157 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 (30204124201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161775 + ... + 294243.

It is an arithmetic number, because the mean of its divisors is an integer number (5034124940).

Almost surely, 230204124221 is an apocalyptic number.

It is an amenable number.

30204124221 is a deficient number, since it is larger than the sum of its proper divisors (10068875299).

30204124221 is a wasteful number, since it uses less digits than its factorization.

30204124221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208475.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 30204124221 its reverse (12242140203), we get a palindrome (42446264424).

The spelling of 30204124221 in words is "thirty billion, two hundred four million, one hundred twenty-four thousand, two hundred twenty-one".

Divisors: 1 3 76003 132469 228009 397407 10068041407 30204124221