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30312324643433 = 74330332091919
BaseRepresentation
bin1101110010001101000110…
…10101111011101001101001
310222022211102000121112122112
412321012203111323221221
512433114120102042213
6144245142324132105
76245664443143610
oct671064325735151
9128284360545575
1030312324643433
119727426025388
123496894237035
1313bb59474b281
1476b1a5296877
1537875e483ea8
hex1b91a357ba69

30312324643433 has 4 divisors (see below), whose sum is σ = 34642656735360. Its totient is φ = 25981992551508.

The previous prime is 30312324643421. The next prime is 30312324643463. The reversal of 30312324643433 is 33434642321303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30312324643433 - 210 = 30312324642409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30312324643463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2165166045953 + ... + 2165166045966.

It is an arithmetic number, because the mean of its divisors is an integer number (8660664183840).

Almost surely, 230312324643433 is an apocalyptic number.

It is an amenable number.

30312324643433 is a deficient number, since it is larger than the sum of its proper divisors (4330332091927).

30312324643433 is an equidigital number, since it uses as much as digits as its factorization.

30312324643433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4330332091926.

The product of its (nonzero) digits is 1119744, while the sum is 41.

Adding to 30312324643433 its reverse (33434642321303), we get a palindrome (63746966964736).

The spelling of 30312324643433 in words is "thirty trillion, three hundred twelve billion, three hundred twenty-four million, six hundred forty-three thousand, four hundred thirty-three".

Divisors: 1 7 4330332091919 30312324643433