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19012488841200 = 24352971074913109
BaseRepresentation
bin1000101001010101100001…
…01001001100011111110000
32111022120120000222221120210
410110222300221030133300
54443000034120404300
6104234114454504120
74001415124456401
oct424526051143760
974276500887523
1019012488841200
116070173329408
1221708b8065040
13a7bb4052897a
1449a2d07219a8
1522e859c52050
hex114ab0a4c7f0

19012488841200 has 480 divisors, whose sum is σ = 62252773067520. Its totient is φ = 4959114854400.

The previous prime is 19012488841183. The next prime is 19012488841201. The reversal of 19012488841200 is 214888421091.

It is a super-2 number, since 2×190124888412002 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 19012488841200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19012488841201) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6115305246 + ... + 6115308354.

It is an arithmetic number, because the mean of its divisors is an integer number (129693277224).

Almost surely, 219012488841200 is an apocalyptic number.

19012488841200 is a gapful number since it is divisible by the number (10) 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 19012488841200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31126386533760).

19012488841200 is an abundant number, since it is smaller than the sum of its proper divisors (43240284226320).

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

19012488841200 is a wasteful number, since it uses less digits than its factorization.

19012488841200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3825 (or 3814 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 48.

The spelling of 19012488841200 in words is "nineteen trillion, twelve billion, four hundred eighty-eight million, eight hundred forty-one thousand, two hundred".