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302013214421 = 973113538293
BaseRepresentation
bin1000110010100010110…
…00111110111011010101
31001212112211010220202012
410121101120332323111
514422010340330141
6350424251154005
730551111652212
oct4312130767325
91055484126665
10302013214421
111070a064a076
124a647745905
1322630c51949
141089067ab09
157cc92d1ceb
hex465163eed5

302013214421 has 4 divisors (see below), whose sum is σ = 305126752812. Its totient is φ = 298899676032.

The previous prime is 302013214411. The next prime is 302013214453. The reversal of 302013214421 is 124412310203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 145027680625 + 156985533796 = 380825^2 + 396214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-302013214421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302013214411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1556769050 + ... + 1556769243.

It is an arithmetic number, because the mean of its divisors is an integer number (76281688203).

Almost surely, 2302013214421 is an apocalyptic number.

It is an amenable number.

302013214421 is a deficient number, since it is larger than the sum of its proper divisors (3113538391).

302013214421 is an equidigital number, since it uses as much as digits as its factorization.

302013214421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3113538390.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 302013214421 its reverse (124412310203), we get a palindrome (426425524624).

The spelling of 302013214421 in words is "three hundred two billion, thirteen million, two hundred fourteen thousand, four hundred twenty-one".

Divisors: 1 97 3113538293 302013214421