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30505239224 = 2343435720353
BaseRepresentation
bin11100011010010000…
…010000001010111000
32220201221222201021222
4130122100100022320
5444433320123344
622003001051212
72126643153335
oct343220201270
986657881258
1030505239224
1111a34459809
125ab4186b08
132b51c62b15
1416955a598c
15bd81795ee
hex71a4102b8

30505239224 has 32 divisors (see below), whose sum is σ = 58543803120. Its totient is φ = 14893756416.

The previous prime is 30505239223. The next prime is 30505239239. The reversal of 30505239224 is 42293250503.

It is a super-2 number, since 2×305052392242 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30505239223) 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 7 ways as a sum of consecutive naturals, for example, 1488632 + ... + 1508984.

Almost surely, 230505239224 is an apocalyptic number.

It is an amenable number.

30505239224 is a deficient number, since it is larger than the sum of its proper divisors (28038563896).

30505239224 is a wasteful number, since it uses less digits than its factorization.

30505239224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24759 (or 24755 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 30505239224 its reverse (42293250503), we get a palindrome (72798489727).

The spelling of 30505239224 in words is "thirty billion, five hundred five million, two hundred thirty-nine thousand, two hundred twenty-four".

Divisors: 1 2 4 8 43 86 172 344 4357 8714 17428 20353 34856 40706 81412 162824 187351 374702 749404 875179 1498808 1750358 3500716 7001432 88678021 177356042 354712084 709424168 3813154903 7626309806 15252619612 30505239224