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2210201201 = 13192470957
BaseRepresentation
bin1000001110111100…
…1111111001110001
312201000212212001202
42003233033321301
514011302414301
61003152140545
7105525254165
oct20357177161
95630785052
102210201201
11a3466796a
12518237755
13292b93980
1416d774ca5
15ce08466b
hex83bcfe71

2210201201 has 12 divisors (see below), whose sum is σ = 2512089972. Its totient is φ = 1932803424.

The previous prime is 2210201173. The next prime is 2210201207. The reversal of 2210201201 is 1021020122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1473024400 + 737176801 = 38380^2 + 27151^2 .

It is not a de Polignac number, because 2210201201 - 222 = 2206006897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2210201207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 230786 + ... + 240171.

It is an arithmetic number, because the mean of its divisors is an integer number (209340831).

Almost surely, 22210201201 is an apocalyptic number.

It is an amenable number.

2210201201 is a deficient number, since it is larger than the sum of its proper divisors (301888771).

2210201201 is a wasteful number, since it uses less digits than its factorization.

2210201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471008 (or 470989 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2210201201 is about 47012.7769973228. The cubic root of 2210201201 is about 1302.5985893595.

Adding to 2210201201 its reverse (1021020122), we get a palindrome (3231221323).

The spelling of 2210201201 in words is "two billion, two hundred ten million, two hundred one thousand, two hundred one".

Divisors: 1 13 19 247 361 4693 470957 6122441 8948183 116326379 170015477 2210201201