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19068064649088 = 273741319313773
BaseRepresentation
bin1000101010111101000010…
…01110000100111110000000
32111111220000012200111200220
410111132201032010332000
54444402344022232323
6104315425321143040
74005423263160000
oct425364116047600
974456005614626
1019068064649088
1160917a2433454
12217b62832aa80
13a841595025b0
1449cc837a0000
1523100dd8d0e3
hex1157a1384f80

19068064649088 has 2560 divisors, whose sum is σ = 71984104550400. Its totient is φ = 4424511651840.

The previous prime is 19068064649063. The next prime is 19068064649141. The reversal of 19068064649088 is 88094646086091.

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 319 ways as a sum of consecutive naturals, for example, 261206365020 + ... + 261206365092.

It is an arithmetic number, because the mean of its divisors is an integer number (28118790840).

Almost surely, 219068064649088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19068064649088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35992052275200).

19068064649088 is an abundant number, since it is smaller than the sum of its proper divisors (52916039901312).

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

19068064649088 is a wasteful number, since it uses less digits than its factorization.

19068064649088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 143327232, while the sum is 69.

The spelling of 19068064649088 in words is "nineteen trillion, sixty-eight billion, sixty-four million, six hundred forty-nine thousand, eighty-eight".