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301010000221 = 726143061229
BaseRepresentation
bin1000110000101011001…
…10000001100101011101
31001202221220102100120201
410120111212001211131
514412432030001341
6350140532543501
730514210533400
oct4302546014535
91052856370521
10301010000221
11106726330427
124a407781b91
132250115a788
14107d7333d37
157c6b1b8331
hex461598195d

301010000221 has 6 divisors (see below), whose sum is σ = 350154490110. Its totient is φ = 258008571576.

The previous prime is 301010000189. The next prime is 301010000297. The reversal of 301010000221 is 122000010103.

It can be written as a sum of positive squares in only one way, i.e., 163005180121 + 138004820100 = 403739^2 + 371490^2 .

It is not a de Polignac number, because 301010000221 - 25 = 301010000189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 301010000198 and 301010000207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (301010000321) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 3071530566 + ... + 3071530663.

It is an arithmetic number, because the mean of its divisors is an integer number (58359081685).

Almost surely, 2301010000221 is an apocalyptic number.

It is an amenable number.

301010000221 is a deficient number, since it is larger than the sum of its proper divisors (49144489889).

301010000221 is an equidigital number, since it uses as much as digits as its factorization.

301010000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6143061243 (or 6143061236 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 301010000221 its reverse (122000010103), we get a palindrome (423010010324).

The spelling of 301010000221 in words is "three hundred one billion, ten million, two hundred twenty-one", and thus it is an aban number.

Divisors: 1 7 49 6143061229 43001428603 301010000221