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30073252409 = 43699377963
BaseRepresentation
bin11100000000100000…
…010110101000111001
32212121212010111210022
4130000200112220321
5443042223034114
621452050100225
72113146266504
oct340040265071
985555114708
1030073252409
1111832626712
1259b357a675
132ab3602115
14165407613b
15bb029848e
hex700816a39

30073252409 has 4 divisors (see below), whose sum is σ = 30772630416. Its totient is φ = 29373874404.

The previous prime is 30073252393. The next prime is 30073252423. The reversal of 30073252409 is 90425237003.

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 30073252409 - 24 = 30073252393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30073252609) 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 3 ways as a sum of consecutive naturals, for example, 349688939 + ... + 349689024.

It is an arithmetic number, because the mean of its divisors is an integer number (7693157604).

Almost surely, 230073252409 is an apocalyptic number.

It is an amenable number.

30073252409 is a deficient number, since it is larger than the sum of its proper divisors (699378007).

30073252409 is an equidigital number, since it uses as much as digits as its factorization.

30073252409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699378006.

The product of its (nonzero) digits is 45360, while the sum is 35.

The spelling of 30073252409 in words is "thirty billion, seventy-three million, two hundred fifty-two thousand, four hundred nine".

Divisors: 1 43 699377963 30073252409