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30003120030023 = 74286160004289
BaseRepresentation
bin1101101001001101001010…
…10011111100000101000111
310221020021022000120201001122
412310212211103330011013
512413032342211430043
6143451124300144155
76214440166246520
oct664464523740507
9127207260521048
1030003120030023
119618285093868
12344698023805b
13139838895b26a
1475a2318b9847
153706b3b7c368
hex1b49a54fc147

30003120030023 has 4 divisors (see below), whose sum is σ = 34289280034320. Its totient is φ = 25716960025728.

The previous prime is 30003120030017. The next prime is 30003120030077. The reversal of 30003120030023 is 32003002130003.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30003120030023 - 28 = 30003120029767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30003120029983 and 30003120030010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30003120030223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2143080002138 + ... + 2143080002151.

It is an arithmetic number, because the mean of its divisors is an integer number (8572320008580).

Almost surely, 230003120030023 is an apocalyptic number.

30003120030023 is a deficient number, since it is larger than the sum of its proper divisors (4286160004297).

30003120030023 is an equidigital number, since it uses as much as digits as its factorization.

30003120030023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4286160004296.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 30003120030023 its reverse (32003002130003), we get a palindrome (62006122160026).

The spelling of 30003120030023 in words is "thirty trillion, three billion, one hundred twenty million, thirty thousand, twenty-three".

Divisors: 1 7 4286160004289 30003120030023