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421401141200 = 2452133110972383
BaseRepresentation
bin1100010000111010111…
…01110001111111010000
31111021201011120222122002
412020131131301333100
523401012143004300
6521331120533132
742305466412454
oct6103535617720
91437634528562
10421401141200
11152795a5a556
12698064811a8
13309793a3cc0
14165785b6664
15ae656825d5
hex621d771fd0

421401141200 has 240 divisors, whose sum is σ = 1126963869696. Its totient is φ = 150374707200.

The previous prime is 421401141197. The next prime is 421401141223. The reversal of 421401141200 is 2141104124.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 176835209 + ... + 176837591.

Almost surely, 2421401141200 is an apocalyptic number.

421401141200 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 421401141200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563481934848).

421401141200 is an abundant number, since it is smaller than the sum of its proper divisors (705562728496).

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

421401141200 is a wasteful number, since it uses less digits than its factorization.

421401141200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3542 (or 3531 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 421401141200 its reverse (2141104124), we get a palindrome (423542245324).

The spelling of 421401141200 in words is "four hundred twenty-one billion, four hundred one million, one hundred forty-one thousand, two hundred".