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2421202212 = 22331113211743
BaseRepresentation
bin1001000001010000…
…1001110100100100
320020201220211001000
42100110021310210
514424311432322
61040130433300
7113666610402
oct22024116444
96221824030
102421202212
111032784070
12576a32830
132c7800340
1418d7bc472
15e28633ac
hex90509d24

2421202212 has 192 divisors, whose sum is σ = 7419525120. Its totient is φ = 673142400.

The previous prime is 2421202193. The next prime is 2421202241. The reversal of 2421202212 is 2122021242.

2421202212 is a `hidden beast` number, since 2 + 421 + 20 + 221 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3258313 + ... + 3259055.

It is an arithmetic number, because the mean of its divisors is an integer number (38643360).

Almost surely, 22421202212 is an apocalyptic number.

2421202212 is a gapful number since it is divisible by the number (22) 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 2421202212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3709762560).

2421202212 is an abundant number, since it is smaller than the sum of its proper divisors (4998322908).

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

2421202212 is a wasteful number, since it uses less digits than its factorization.

2421202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991 (or 983 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2421202212 is about 49205.7132048708. The cubic root of 2421202212 is about 1342.7969743439.

Adding to 2421202212 its reverse (2122021242), we get a palindrome (4543223454).

The spelling of 2421202212 in words is "two billion, four hundred twenty-one million, two hundred two thousand, two hundred twelve".