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2028673597440 = 2153574173197
BaseRepresentation
bin11101100001010110010…
…111101000000000000000
321011221100202021112002110
4131201112113220000000
5231214210420104230
64151543151415320
7266365265030040
oct35412627500000
97157322245073
102028673597440
117123a03a3a56
12289206824540
131193c2ba8a89
147028caa3720
1537b8544d4b0
hex1d8565e8000

2028673597440 has 1024 divisors, whose sum is σ = 7743204564480. Its totient is φ = 443925135360.

The previous prime is 2028673597427. The next prime is 2028673597477. The reversal of 2028673597440 is 447953768202.

It is a tau number, because it is divible by the number of its divisors (1024).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10297835422 + ... + 10297835618.

Almost surely, 22028673597440 is an apocalyptic number.

2028673597440 is a gapful number since it is divisible by the number (20) 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 2028673597440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3871602282240).

2028673597440 is an abundant number, since it is smaller than the sum of its proper divisors (5714530967040).

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

2028673597440 is an equidigital number, since it uses as much as digits as its factorization.

2028673597440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 57.

The spelling of 2028673597440 in words is "two trillion, twenty-eight billion, six hundred seventy-three million, five hundred ninety-seven thousand, four hundred forty".