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5421421201 = 72110641249
BaseRepresentation
bin1010000110010010…
…00101001010010001
3111222211100201202211
411003021011022101
542100340434301
62253543512121
7251230214500
oct50311051221
914884321684
105421421201
112332283a99
121073758641
13685260451
14396040837
1521ae4c051
hex143245291

5421421201 has 6 divisors (see below), whose sum is σ = 6306551250. Its totient is φ = 4646932416.

The previous prime is 5421421199. The next prime is 5421421207. The reversal of 5421421201 is 1021241245.

It can be written as a sum of positive squares in only one way, i.e., 2981160000 + 2440261201 = 54600^2 + 49399^2 .

It is not a de Polignac number, because 5421421201 - 21 = 5421421199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5421421207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55320576 + ... + 55320673.

It is an arithmetic number, because the mean of its divisors is an integer number (1051091875).

Almost surely, 25421421201 is an apocalyptic number.

It is an amenable number.

5421421201 is a deficient number, since it is larger than the sum of its proper divisors (885130049).

5421421201 is a wasteful number, since it uses less digits than its factorization.

5421421201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110641263 (or 110641256 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 5421421201 is about 73630.3008346428. The cubic root of 5421421201 is about 1756.7274329436.

Adding to 5421421201 its reverse (1021241245), we get a palindrome (6442662446).

The spelling of 5421421201 in words is "five billion, four hundred twenty-one million, four hundred twenty-one thousand, two hundred one".

Divisors: 1 7 49 110641249 774488743 5421421201