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302120220103 = 1323240016931
BaseRepresentation
bin1000110010101111100…
…01001011010111000111
31001212211021111100221121
410121113301023113013
514422220234020403
6350443032454411
730553551333142
oct4312761132707
91055737440847
10302120220103
11107145a96019
124a67754a407
132264a179110
14108a0973059
157cd38bc3bd
hex4657c4b5c7

302120220103 has 4 divisors (see below), whose sum is σ = 325360237048. Its totient is φ = 278880203160.

The previous prime is 302120220079. The next prime is 302120220109. The reversal of 302120220103 is 301022021203.

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

It is a de Polignac number, because none of the positive numbers 2k-302120220103 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 (302120220109) 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, 11620008453 + ... + 11620008478.

It is an arithmetic number, because the mean of its divisors is an integer number (81340059262).

Almost surely, 2302120220103 is an apocalyptic number.

302120220103 is a deficient number, since it is larger than the sum of its proper divisors (23240016945).

302120220103 is a wasteful number, since it uses less digits than its factorization.

302120220103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23240016944.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 302120220103 its reverse (301022021203), we get a palindrome (603142241306).

The spelling of 302120220103 in words is "three hundred two billion, one hundred twenty million, two hundred twenty thousand, one hundred three".

Divisors: 1 13 23240016931 302120220103