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30016105620 = 2235500268427
BaseRepresentation
bin11011111101000110…
…010110110010010100
32212110212121011010120
4123331012112302110
5442433110334440
621442245151540
72111553455004
oct337506266224
985425534116
1030016105620
1111803344466
1259983bb5b0
132aa4813a57
14164a63c004
15baa25add0
hex6fd196c94

30016105620 has 24 divisors (see below), whose sum is σ = 84045095904. Its totient is φ = 8004294816.

The previous prime is 30016105619. The next prime is 30016105631. The reversal of 30016105620 is 2650161003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250134154 + ... + 250134273.

It is an arithmetic number, because the mean of its divisors is an integer number (3501878996).

Almost surely, 230016105620 is an apocalyptic number.

30016105620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30016105620 is an abundant number, since it is smaller than the sum of its proper divisors (54028990284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30016105620 is a wasteful number, since it uses less digits than its factorization.

30016105620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500268439 (or 500268437 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 30016105620 its reverse (2650161003), we get a palindrome (32666266623).

The spelling of 30016105620 in words is "thirty billion, sixteen million, one hundred five thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 500268427 1000536854 1500805281 2001073708 2501342135 3001610562 5002684270 6003221124 7504026405 10005368540 15008052810 30016105620