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301221200029 = 641469923869
BaseRepresentation
bin1000110001000100010…
…11101100000010011101
31001210111121211102020211
410120202023230002131
514413400111400104
6350213515412421
730522353645311
oct4304213540235
91053447742224
10301221200029
11106824572a22
124a466454111
1322535b36789
14108173cdb41
157c7e9d5e04
hex46222ec09d

301221200029 has 4 divisors (see below), whose sum is σ = 301691124540. Its totient is φ = 300751275520.

The previous prime is 301221199997. The next prime is 301221200039. The reversal of 301221200029 is 920002122103.

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 216480825625 + 84740374404 = 465275^2 + 291102^2 .

It is a cyclic number.

It is not a de Polignac number, because 301221200029 - 25 = 301221199997 is a prime.

It is a super-2 number, since 2×3012212000292 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 301221199982 and 301221200009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (301221200039) 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, 234961294 + ... + 234962575.

It is an arithmetic number, because the mean of its divisors is an integer number (75422781135).

Almost surely, 2301221200029 is an apocalyptic number.

It is an amenable number.

301221200029 is a deficient number, since it is larger than the sum of its proper divisors (469924511).

301221200029 is an equidigital number, since it uses as much as digits as its factorization.

301221200029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469924510.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 301221200029 in words is "three hundred one billion, two hundred twenty-one million, two hundred thousand, twenty-nine".

Divisors: 1 641 469923869 301221200029