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402230202401 is a prime number
BaseRepresentation
bin1011101101001101100…
…10011101000000100001
31102110020010002101112202
411312212302131000201
523042231412434101
6504440525102545
741026432210556
oct5664662350041
91373203071482
10402230202401
11145648510485
1265b560b7a55
132bc126b5b31
141567a462a2d
15a6e25ce36b
hex5da6c9d021

402230202401 has 2 divisors, whose sum is σ = 402230202402. Its totient is φ = 402230202400.

The previous prime is 402230202383. The next prime is 402230202421. The reversal of 402230202401 is 104202032204.

It is an a-pointer prime, because the next prime (402230202421) can be obtained adding 402230202401 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 282513510400 + 119716692001 = 531520^2 + 346001^2 .

It is a cyclic number.

It is not a de Polignac number, because 402230202401 - 238 = 127352295457 is a prime.

It is not a weakly prime, because it can be changed into another prime (402230202421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201115101200 + 201115101201.

It is an arithmetic number, because the mean of its divisors is an integer number (201115101201).

Almost surely, 2402230202401 is an apocalyptic number.

It is an amenable number.

402230202401 is a deficient number, since it is larger than the sum of its proper divisors (1).

402230202401 is an equidigital number, since it uses as much as digits as its factorization.

402230202401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 402230202401 its reverse (104202032204), we get a palindrome (506432234605).

The spelling of 402230202401 in words is "four hundred two billion, two hundred thirty million, two hundred two thousand, four hundred one".