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302212013221 = 536785106171
BaseRepresentation
bin1000110010111010011…
…11010101110010100101
31001220001200012221102201
410121131033111302211
514422412233410341
6350500112134501
730556044504436
oct4313517256245
91056050187381
10302212013221
111071928915a8
124a6a2237431
13226631a8281
14108acc2948d
157cdb9a0331
hex465d3d5ca5

302212013221 has 8 divisors (see below), whose sum is σ = 312509863584. Its totient is φ = 292084375440.

The previous prime is 302212013209. The next prime is 302212013249. The reversal of 302212013221 is 122310212203.

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 302212013221 - 211 = 302212011173 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 (302212013021) 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, 42549535 + ... + 42556636.

It is an arithmetic number, because the mean of its divisors is an integer number (39063732948).

Almost surely, 2302212013221 is an apocalyptic number.

It is an amenable number.

302212013221 is a deficient number, since it is larger than the sum of its proper divisors (10297850363).

302212013221 is an equidigital number, since it uses as much as digits as its factorization.

302212013221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85106291.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 302212013221 its reverse (122310212203), we get a palindrome (424522225424).

The spelling of 302212013221 in words is "three hundred two billion, two hundred twelve million, thirteen thousand, two hundred twenty-one".

Divisors: 1 53 67 3551 85106171 4510627063 5702113457 302212013221