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128493363200 = 213523137547
BaseRepresentation
bin111011110101011001…
…1010010000000000000
3110021122220221011110212
41313222303102000000
54101123300110300
6135010134413252
712166120365146
oct1675263220000
9407586834425
10128493363200
114a548176654
1220aa0201228
13c1699ca777
14630d359596
153520957935
hex1deacd2000

128493363200 has 336 divisors, whose sum is σ = 338430315264. Its totient is φ = 48306585600.

The previous prime is 128493363157. The next prime is 128493363211. The reversal of 128493363200 is 2363394821.

It is a super-2 number, since 2×1284933632002 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234905327 + ... + 234905873.

Almost surely, 2128493363200 is an apocalyptic number.

128493363200 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 128493363200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169215157632).

128493363200 is an abundant number, since it is smaller than the sum of its proper divisors (209936952064).

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

128493363200 is an equidigital number, since it uses as much as digits as its factorization.

128493363200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 128493363200 in words is "one hundred twenty-eight billion, four hundred ninety-three million, three hundred sixty-three thousand, two hundred".