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30030204320421 = 310010068106807
BaseRepresentation
bin1101101001111111100111…
…01010010011101010100101
310221022212012120110012210020
412310333303222103222211
512414003324301223141
6143511404014345353
76216416313025344
oct664776352235245
9127285176405706
1030030204320421
1196288134a9038
12345007a7bb259
13139aab3c41cb6
1475b6809bdb5b
1537124b812266
hex1b4ff3a93aa5

30030204320421 has 4 divisors (see below), whose sum is σ = 40040272427232. Its totient is φ = 20020136213612.

The previous prime is 30030204320387. The next prime is 30030204320429. The reversal of 30030204320421 is 12402340203003.

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 a cyclic number.

It is not a de Polignac number, because 30030204320421 - 27 = 30030204320293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30030204320391 and 30030204320400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30030204320429) 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, 5005034053401 + ... + 5005034053406.

It is an arithmetic number, because the mean of its divisors is an integer number (10010068106808).

Almost surely, 230030204320421 is an apocalyptic number.

It is an amenable number.

30030204320421 is a deficient number, since it is larger than the sum of its proper divisors (10010068106811).

30030204320421 is a wasteful number, since it uses less digits than its factorization.

30030204320421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10010068106810.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 30030204320421 its reverse (12402340203003), we get a palindrome (42432544523424).

The spelling of 30030204320421 in words is "thirty trillion, thirty billion, two hundred four million, three hundred twenty thousand, four hundred twenty-one".

Divisors: 1 3 10010068106807 30030204320421