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30605610221 = 175387334199
BaseRepresentation
bin11100100000001111…
…001000110011101101
32220222221212002102022
4130200033020303231
51000140014011341
622020544235525
72132302252214
oct344017106355
986887762368
1030605610221
1111a86083a4a
125b2190bba5
132b699a6444
1416a4a5207b
15be1da3e4b
hex7203c8ced

30605610221 has 8 divisors (see below), whose sum is σ = 32412052800. Its totient is φ = 28799846848.

The previous prime is 30605610199. The next prime is 30605610253. The reversal of 30605610221 is 12201650603.

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 30605610221 - 218 = 30605348077 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 (30605610271) 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, 75521 + ... + 258678.

It is an arithmetic number, because the mean of its divisors is an integer number (4051506600).

Almost surely, 230605610221 is an apocalyptic number.

It is an amenable number.

30605610221 is a deficient number, since it is larger than the sum of its proper divisors (1806442579).

30605610221 is a wasteful number, since it uses less digits than its factorization.

30605610221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339603.

The product of its (nonzero) digits is 2160, while the sum is 26.

The spelling of 30605610221 in words is "thirty billion, six hundred five million, six hundred ten thousand, two hundred twenty-one".

Divisors: 1 17 5387 91579 334199 5681383 1800330013 30605610221