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30111312420443 = 2310112962252441
BaseRepresentation
bin1101101100010110101100…
…00101001001111001011011
310221121121120010122121020202
412312023112011021321123
512421320431434423233
6144012540154412415
76225320251350302
oct666132605117133
9127547503577222
1030111312420443
11965a154952061
12346393573110b
1313a563b8025a7
147615769a5439
153733e7216be8
hex1b62d6149e5b

30111312420443 has 8 divisors (see below), whose sum is σ = 31731593978016. Its totient is φ = 28516955368000.

The previous prime is 30111312420419. The next prime is 30111312420517. The reversal of 30111312420443 is 34402421311103.

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 30111312420443 - 28 = 30111312420187 is a prime.

It is a super-2 number, since 2×301113124204432 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30111312425443) 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, 6481123898 + ... + 6481128543.

It is an arithmetic number, because the mean of its divisors is an integer number (3966449247252).

Almost surely, 230111312420443 is an apocalyptic number.

30111312420443 is a deficient number, since it is larger than the sum of its proper divisors (1620281557573).

30111312420443 is a wasteful number, since it uses less digits than its factorization.

30111312420443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12962252565.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 30111312420443 its reverse (34402421311103), we get a palindrome (64513733731546).

The spelling of 30111312420443 in words is "thirty trillion, one hundred eleven billion, three hundred twelve million, four hundred twenty thousand, four hundred forty-three".

Divisors: 1 23 101 2323 12962252441 298131806143 1309187496541 30111312420443