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421462986050 = 252918112
BaseRepresentation
bin1100010001000010010…
…01101100110101000010
31111021212110222000211002
412020201021230311002
523401124011023200
6521341210252002
742310150162241
oct6104111546502
91437773860732
10421462986050
111528179604a7
1269823127002
13309891488a2
14165828b4958
15ae6acebbd5
hex622126cd42

421462986050 has 18 divisors (see below), whose sum is σ = 783929692569. Its totient is φ = 168583358200.

The previous prime is 421462986031. The next prime is 421462986059. The reversal of 421462986050 is 50689264124.

It can be written as a sum of positive squares in 2 ways, for example, as 413033726329 + 8429259721 = 642677^2 + 91811^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=459055.

It is a super-2 number, since 2×4214629860502 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421462985986 and 421462986004.

It is not an unprimeable number, because it can be changed into a prime (421462986059) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4544645 + ... + 4636455.

Almost surely, 2421462986050 is an apocalyptic number.

421462986050 is a deficient number, since it is larger than the sum of its proper divisors (362466706519).

421462986050 is an frugal number, since it uses more digits than its factorization.

421462986050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183634 (or 91818 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 421462986050 in words is "four hundred twenty-one billion, four hundred sixty-two million, nine hundred eighty-six thousand, fifty".

Divisors: 1 2 5 10 25 50 91811 183622 459055 918110 2295275 4590550 8429259721 16858519442 42146298605 84292597210 210731493025 421462986050