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201203382249 = 321495192
BaseRepresentation
bin1011101101100010100…
…1111111011111101001
3201020100012122211121100
42323120221333133221
511244031031212444
6232233114432013
720352002350032
oct2733051773751
9636305584540
10201203382249
117836a078091
1232bb2732609
1315c86728c8c
149a49c51a89
155378e2be69
hex2ed8a7f7e9

201203382249 has 9 divisors (see below), whose sum is σ = 290629051453. Its totient is φ = 134134691052.

The previous prime is 201203382239. The next prime is 201203382293. The reversal of 201203382249 is 942283302102.

The square root of 201203382249 is 448557.

It is a perfect power (a square), and thus also a powerful number.

201203382249 is a `hidden beast` number, since 20 + 12 + 0 + 3 + 382 + 249 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 201203382249 - 217 = 201203251177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201203382229) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1270912 + ... + 1420430.

Almost surely, 2201203382249 is an apocalyptic number.

201203382249 is the 448557-th square number.

201203382249 is the 224279-th centered octagonal number.

It is an amenable number.

201203382249 is a deficient number, since it is larger than the sum of its proper divisors (89425669204).

201203382249 is an frugal number, since it uses more digits than its factorization.

201203382249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299044 (or 149522 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

Multiplying 201203382249 by its sum of digits (36), we get a square (7243321760964 = 26913422).

The spelling of 201203382249 in words is "two hundred one billion, two hundred three million, three hundred eighty-two thousand, two hundred forty-nine".

Divisors: 1 3 9 149519 448557 1345671 22355931361 67067794083 201203382249