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428120795193600 = 28352631263313421
BaseRepresentation
bin110000101010111111010001…
…1111010110010000100000000
32002010211221121022120122201010
41201111332203322302010000
5422103312342032143400
64114311551141240520
7156114464260123545
oct14125764372620400
92063757538518633
10428120795193600
1111445a011889783
1240024818103140
13154b680529c252
1477a122ad24bcc
15347660eb08450
hex1855fa3eb2100

428120795193600 has 432 divisors, whose sum is σ = 1415769880178304. Its totient is φ = 113932836864000.

The previous prime is 428120795193593. The next prime is 428120795193629. The reversal of 428120795193600 is 6391597021824.

It is a super-2 number, since 2×4281207951936002 (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31899314890 + ... + 31899328310.

It is a 2-persistent number, because it is pandigital, and so is 2⋅428120795193600 = 856241590387200, but 3⋅428120795193600 = 1284362385580800 is not.

Almost surely, 2428120795193600 is an apocalyptic number.

428120795193600 is a gapful number since it is divisible by the number (40) 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 428120795193600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (707884940089152).

428120795193600 is an abundant number, since it is smaller than the sum of its proper divisors (987649084984704).

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

428120795193600 is a wasteful number, since it uses less digits than its factorization.

428120795193600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16714 (or 16695 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 428120795193600 in words is "four hundred twenty-eight trillion, one hundred twenty billion, seven hundred ninety-five million, one hundred ninety-three thousand, six hundred".