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30233217697 = 314720750321
BaseRepresentation
bin11100001010000010…
…100100101010100001
32220001000010120220121
4130022002210222201
5443404200431242
621520002440241
72120131052554
oct341202445241
986030116817
1030233217697
1111904954a31
125a39063081
132b0a7acb37
14166b3d669b
15bbe345667
hex70a0a4aa1

30233217697 has 8 divisors (see below), whose sum is σ = 31872494592. Its totient is φ = 28635441600.

The previous prime is 30233217671. The next prime is 30233217713. The reversal of 30233217697 is 79671233203.

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 30233217697 - 215 = 30233184929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30233217647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10373704 + ... + 10376617.

It is an arithmetic number, because the mean of its divisors is an integer number (3984061824).

Almost surely, 230233217697 is an apocalyptic number.

It is an amenable number.

30233217697 is a deficient number, since it is larger than the sum of its proper divisors (1639276895).

30233217697 is a wasteful number, since it uses less digits than its factorization.

30233217697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20750399.

The product of its (nonzero) digits is 285768, while the sum is 43.

The spelling of 30233217697 in words is "thirty billion, two hundred thirty-three million, two hundred seventeen thousand, six hundred ninety-seven".

Divisors: 1 31 47 1457 20750321 643259951 975265087 30233217697