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201020401401 = 3832633069623
BaseRepresentation
bin1011101100110110111…
…1111110011011111001
3201012212110100110001220
42323031233332123321
511243142210321101
6232203020502253
720344321135131
oct2731557763371
9635773313056
10201020401401
1178285859946
1232b613aa989
1315c578503a1
149a2d81dac1
155367d35636
hex2ecdbfe6f9

201020401401 has 16 divisors (see below), whose sum is σ = 272287927296. Its totient is φ = 131895518096.

The previous prime is 201020401331. The next prime is 201020401423. The reversal of 201020401401 is 104104020102.

It is a cyclic number.

It is not a de Polignac number, because 201020401401 - 214 = 201020385017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201020401471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1469325 + ... + 1600298.

It is an arithmetic number, because the mean of its divisors is an integer number (17017995456).

Almost surely, 2201020401401 is an apocalyptic number.

It is an amenable number.

201020401401 is a deficient number, since it is larger than the sum of its proper divisors (71267525895).

201020401401 is a wasteful number, since it uses less digits than its factorization.

201020401401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3069972.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201020401401 its reverse (104104020102), we get a palindrome (305124421503).

The spelling of 201020401401 in words is "two hundred one billion, twenty million, four hundred one thousand, four hundred one".

Divisors: 1 3 83 249 263 789 21829 65487 3069623 9208869 254778709 764336127 807310849 2421932547 67006800467 201020401401