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302212010120221 = 2926767738931637
BaseRepresentation
bin100010010110111000011011…
…1100000101001010000011101
31110122001012000121020110000001
41010231300313200221100131
5304102420144042321341
62550430140353534301
7120441045224325655
oct10455606740512035
91418035017213001
10302212010120221
11883264370755a3
1229a8a866874391
13cc82616254366
14548b1d449b365
1524e136437ed31
hex112dc3782941d

302212010120221 has 8 divisors (see below), whose sum is σ = 312634289896920. Its totient is φ = 291789808742208.

The previous prime is 302212010120203. The next prime is 302212010120231. The reversal of 302212010120221 is 122021010212203.

It can be written as a sum of positive squares in 4 ways, for example, as 220436794128996 + 81775215991225 = 14847114^2 + 9042965^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 302212010120221 - 231 = 302209862636573 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 (302212010120231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11703186 + ... + 27228451.

It is an arithmetic number, because the mean of its divisors is an integer number (39079286237115).

Almost surely, 2302212010120221 is an apocalyptic number.

It is an amenable number.

302212010120221 is a deficient number, since it is larger than the sum of its proper divisors (10422279776699).

302212010120221 is a wasteful number, since it uses less digits than its factorization.

302212010120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39199343.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 302212010120221 its reverse (122021010212203), we get a palindrome (424233020332424).

The spelling of 302212010120221 in words is "three hundred two trillion, two hundred twelve billion, ten million, one hundred twenty thousand, two hundred twenty-one".

Divisors: 1 29 267677 7762633 38931637 1129017473 10421103797249 302212010120221