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6641496148320 = 2532511238997987
BaseRepresentation
bin110000010100101100000…
…0001001100100101100000
3212111220212021201100112200
41200221120001030211200
51332303241003221240
622043021115453200
71253555315543355
oct140513001144540
925456767640480
106641496148320
112130708483400
128b31bb757200
133923a1013907
1418d64322062c
15b7b61d25930
hex60a5804c960

6641496148320 has 432 divisors, whose sum is σ = 24976080969840. Its totient is φ = 1605904312320.

The previous prime is 6641496148319. The next prime is 6641496148333. The reversal of 6641496148320 is 238416941466.

6641496148320 is a `hidden beast` number, since 6 + 6 + 4 + 1 + 496 + 148 + 3 + 2 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 67730367 + ... + 67828353.

It is an arithmetic number, because the mean of its divisors is an integer number (57815002245).

Almost surely, 26641496148320 is an apocalyptic number.

6641496148320 is a gapful number since it is divisible by the number (60) 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 6641496148320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12488040484920).

6641496148320 is an abundant number, since it is smaller than the sum of its proper divisors (18334584821520).

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

6641496148320 is a wasteful number, since it uses less digits than its factorization.

6641496148320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98419 (or 98397 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The spelling of 6641496148320 in words is "six trillion, six hundred forty-one billion, four hundred ninety-six million, one hundred forty-eight thousand, three hundred twenty".