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18825482214 = 23371173109569
BaseRepresentation
bin10001100010000101…
…100000111111100110
31210120222110120202000
4101202011200333212
5302023310412324
612352011230130
71234340646540
oct214205407746
953528416660
1018825482214
117a90548470
123794748346
131a10265cb6
14ca830a690
15752ab59c9
hex462160fe6

18825482214 has 256 divisors, whose sum is σ = 53450496000. Its totient is φ = 4770109440.

The previous prime is 18825482191. The next prime is 18825482239. The reversal of 18825482214 is 41228452881.

It is a happy number.

18825482214 is a `hidden beast` number, since 1 + 8 + 82 + 548 + 2 + 21 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 18825482214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 33084922 + ... + 33085490.

It is an arithmetic number, because the mean of its divisors is an integer number (208791000).

Almost surely, 218825482214 is an apocalyptic number.

18825482214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 18825482214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26725248000).

18825482214 is an abundant number, since it is smaller than the sum of its proper divisors (34625013786).

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

18825482214 is a wasteful number, since it uses less digits than its factorization.

18825482214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780 (or 774 counting only the distinct ones).

The product of its digits is 327680, while the sum is 45.

The spelling of 18825482214 in words is "eighteen billion, eight hundred twenty-five million, four hundred eighty-two thousand, two hundred fourteen".