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201264205210 = 2520126420521
BaseRepresentation
bin1011101101110001001…
…0000000110110011010
3201020111110002222000121
42323130102000312122
511244142114031320
6232243130223454
720353341342325
oct2733422006632
9636443088017
10201264205210
11783a04402a2
123300ab84b8a
1315c962036b3
149a53d657bc
15537e4438aa
hex2edc480d9a

201264205210 has 8 divisors (see below), whose sum is σ = 362275569396. Its totient is φ = 80505682080.

The previous prime is 201264205199. The next prime is 201264205213. The reversal of 201264205210 is 12502462102.

It can be written as a sum of positive squares in 2 ways, for example, as 193104876969 + 8159328241 = 439437^2 + 90329^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2012642052102 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201264205213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10063210251 + ... + 10063210270.

Almost surely, 2201264205210 is an apocalyptic number.

201264205210 is a deficient number, since it is larger than the sum of its proper divisors (161011364186).

201264205210 is a wasteful number, since it uses less digits than its factorization.

201264205210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20126420528.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 201264205210 its reverse (12502462102), we get a palindrome (213766667312).

The spelling of 201264205210 in words is "two hundred one billion, two hundred sixty-four million, two hundred five thousand, two hundred ten".

Divisors: 1 2 5 10 20126420521 40252841042 100632102605 201264205210