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19307205204 = 2237341191599
BaseRepresentation
bin10001111110110011…
…001001001001010100
31211211112220122110020
4101332303021021110
5304020121031304
612511500225140
71252310352000
oct217663111124
954745818406
1019307205204
118208461041
1238a9b3b1b0
131a88cbbca1
14d122a5700
1578001d5d9
hex47ecc9254

19307205204 has 192 divisors, whose sum is σ = 54190080000. Its totient is φ = 5344684800.

The previous prime is 19307205191. The next prime is 19307205217. The reversal of 19307205204 is 40250270391.

It is an interprime number because it is at equal distance from previous prime (19307205191) and next prime (19307205217).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32232097 + ... + 32232695.

It is an arithmetic number, because the mean of its divisors is an integer number (282240000).

Almost surely, 219307205204 is an apocalyptic number.

19307205204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19307205204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27095040000).

19307205204 is an abundant number, since it is smaller than the sum of its proper divisors (34882874796).

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

19307205204 is a wasteful number, since it uses less digits than its factorization.

19307205204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859 (or 843 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

Adding to 19307205204 its reverse (40250270391), we get a palindrome (59557475595).

The spelling of 19307205204 in words is "nineteen billion, three hundred seven million, two hundred five thousand, two hundred four".