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421402033213200 = 243452131000479661
BaseRepresentation
bin101111111010000110100111…
…0011111110100111100010000
32001021001122022020120100110000
41133310031032133310330100
5420213222331000310300
64052125231014410000
7154522202136436464
oct13764151637647420
92037048266510400
10421402033213200
111122a9664903106
123b31a654360900
131511a06c741390
14760bd781344a4
1533ab979897c00
hex17f434e7f4f10

421402033213200 has 300 divisors, whose sum is σ = 1628714858078308. Its totient is φ = 103729731148800.

The previous prime is 421402033213097. The next prime is 421402033213201. The reversal of 421402033213200 is 2312330204124.

421402033213200 is a `hidden beast` number, since 4 + 2 + 1 + 4 + 0 + 2 + 0 + 332 + 1 + 320 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 861867143424 + 420540166069776 = 928368^2 + 20507076^2 .

It is a tau number, because it is divible by the number of its divisors (300).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (421402033213201) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 499818631 + ... + 500661030.

Almost surely, 2421402033213200 is an apocalyptic number.

421402033213200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421402033213200 is an abundant number, since it is smaller than the sum of its proper divisors (1207312824865108).

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

421402033213200 is a wasteful number, since it uses less digits than its factorization.

421402033213200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000479704 (or 1000479684 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 421402033213200 its reverse (2312330204124), we get a palindrome (423714363417324).

The spelling of 421402033213200 in words is "four hundred twenty-one trillion, four hundred two billion, thirty-three million, two hundred thirteen thousand, two hundred".