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204431211242301 = 3614018927796423
BaseRepresentation
bin101110011110110111011001…
…101110100010001100111101
3222210211102200121100111221110
4232132313121232202030331
5203243400110034223201
62002442222452552233
761026444663361311
oct5636673156421475
9883742617314843
10204431211242301
115a15787626563a
121ab1817b022679
138a0ba1b9ba354
14386a748389b41
151897ad1a786d6
hexb9edd9ba233d

204431211242301 has 16 divisors (see below), whose sum is σ = 277050293578880. Its totient is φ = 134049912880320.

The previous prime is 204431211242299. The next prime is 204431211242381. The reversal of 204431211242301 is 103242112134402.

It is a happy number.

It is not a de Polignac number, because 204431211242301 - 21 = 204431211242299 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 (204431211242381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6543625 + ... + 21252798.

It is an arithmetic number, because the mean of its divisors is an integer number (17315643348680).

Almost surely, 2204431211242301 is an apocalyptic number.

It is an amenable number.

204431211242301 is a deficient number, since it is larger than the sum of its proper divisors (72619082336579).

204431211242301 is a wasteful number, since it uses less digits than its factorization.

204431211242301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27836676.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 204431211242301 its reverse (103242112134402), we get a palindrome (307673323376703).

The spelling of 204431211242301 in words is "two hundred four trillion, four hundred thirty-one billion, two hundred eleven million, two hundred forty-two thousand, three hundred one".

Divisors: 1 3 61 183 40189 120567 2451529 7354587 27796423 83389269 1695581803 5086745409 1117110443947 3351331331841 68143737080767 204431211242301