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1421205014 = 2710602507
BaseRepresentation
bin101010010110101…
…1101111000010110
310200001020200202202
41110231131320112
510402312030024
6353005204502
750135020565
oct12455357026
93601220682
101421205014
1166a2623a9
12337b60732
13198594518
14d6a71bdc
1584b82bae
hex54b5de16

1421205014 has 4 divisors (see below), whose sum is σ = 2131807524. Its totient is φ = 710602506.

The previous prime is 1421204999. The next prime is 1421205043. The reversal of 1421205014 is 4105021241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4105021241 = 22318408167.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355301252 + ... + 355301255.

It is an arithmetic number, because the mean of its divisors is an integer number (532951881).

Almost surely, 21421205014 is an apocalyptic number.

1421205014 is a deficient number, since it is larger than the sum of its proper divisors (710602510).

1421205014 is an equidigital number, since it uses as much as digits as its factorization.

1421205014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710602509.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1421205014 is about 37698.8728478717. The cubic root of 1421205014 is about 1124.3087147987.

Adding to 1421205014 its reverse (4105021241), we get a palindrome (5526226255).

The spelling of 1421205014 in words is "one billion, four hundred twenty-one million, two hundred five thousand, fourteen".

Divisors: 1 2 710602507 1421205014