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201011202001 = 1797121898849
BaseRepresentation
bin1011101100110100110…
…0111000011111010001
3201012211211001001212101
42323031030320133101
511243132331431001
6232202051400401
720344150011541
oct2731514703721
9635754031771
10201011202001
1178280646235
1232b5a2b3101
1315c5597c05c
149a2c507321
155367119a01
hex2ecd3387d1

201011202001 has 8 divisors (see below), whose sum is σ = 215029571400. Its totient is φ = 187236630528.

The previous prime is 201011201921. The next prime is 201011202023. The reversal of 201011202001 is 100202110102.

It can be written as a sum of positive squares in 4 ways, for example, as 83708376976 + 117302825025 = 289324^2 + 342495^2 .

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 201011202001 - 27 = 201011201873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201011202101) 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, 60947776 + ... + 60951073.

It is an arithmetic number, because the mean of its divisors is an integer number (26878696425).

Almost surely, 2201011202001 is an apocalyptic number.

It is an amenable number.

201011202001 is a deficient number, since it is larger than the sum of its proper divisors (14018369399).

201011202001 is a wasteful number, since it uses less digits than its factorization.

201011202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121898963.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 201011202001 its reverse (100202110102), we get a palindrome (301213312103).

The spelling of 201011202001 in words is "two hundred one billion, eleven million, two hundred two thousand, one".

Divisors: 1 17 97 1649 121898849 2072280433 11824188353 201011202001