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302240041221 = 3100746680407
BaseRepresentation
bin1000110010111101110…
…10010000100100000101
31001220010121221220121210
410121132322100210011
514422441422304341
6350502553002033
730556534650636
oct4313672204405
91056117856553
10302240041221
111071a7695438
124a6ab6b3319
1322668c3c7a1
14108b284388d
157cde189c16
hex465ee90905

302240041221 has 4 divisors (see below), whose sum is σ = 402986721632. Its totient is φ = 201493360812.

The previous prime is 302240041199. The next prime is 302240041277. The reversal of 302240041221 is 122140042203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 302240041221 - 210 = 302240040197 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 (302240041021) 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 3 ways as a sum of consecutive naturals, for example, 50373340201 + ... + 50373340206.

It is an arithmetic number, because the mean of its divisors is an integer number (100746680408).

Almost surely, 2302240041221 is an apocalyptic number.

It is an amenable number.

302240041221 is a deficient number, since it is larger than the sum of its proper divisors (100746680411).

302240041221 is a wasteful number, since it uses less digits than its factorization.

302240041221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100746680410.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 302240041221 its reverse (122140042203), we get a palindrome (424380083424).

The spelling of 302240041221 in words is "three hundred two billion, two hundred forty million, forty-one thousand, two hundred twenty-one".

Divisors: 1 3 100746680407 302240041221