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210427428800 = 2652131517143
BaseRepresentation
bin1100001111111001110…
…0111011111111000000
3202010011001022221201002
43003332130323333000
511421423410210200
6240400302031132
721126405430031
oct3037634737700
9663131287632
10210427428800
1181272885856
12349478784a8
1316ac67327a4
14a282d08a88
155718b12bd5
hex30fe73bfc0

210427428800 has 42 divisors (see below), whose sum is σ = 517782995928. Its totient is φ = 84170970880.

The previous prime is 210427428793. The next prime is 210427428851. The reversal of 210427428800 is 8824724012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65756972 + ... + 65760171.

Almost surely, 2210427428800 is an apocalyptic number.

210427428800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210427428800 is an abundant number, since it is smaller than the sum of its proper divisors (307355567128).

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

210427428800 is a wasteful number, since it uses less digits than its factorization.

210427428800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131517165 (or 131517150 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 38.

The spelling of 210427428800 in words is "two hundred ten billion, four hundred twenty-seven million, four hundred twenty-eight thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 160 200 320 400 800 1600 131517143 263034286 526068572 657585715 1052137144 1315171430 2104274288 2630342860 3287928575 4208548576 5260685720 6575857150 8417097152 10521371440 13151714300 21042742880 26303428600 42085485760 52606857200 105213714400 210427428800