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11001001210 = 251100100121
BaseRepresentation
bin10100011111011010…
…11111010011111010
31001101200022202122021
422033231133103322
5140012224014320
65015341345054
7536420652553
oct121755372372
931350282567
1011001001210
114735862041
12217026818a
1310641b8294
1476509132a
15445bdadaa
hex28fb5f4fa

11001001210 has 8 divisors (see below), whose sum is σ = 19801802196. Its totient is φ = 4400400480.

The previous prime is 11001001199. The next prime is 11001001213. The reversal of 11001001210 is 1210010011.

It can be written as a sum of positive squares in 2 ways, for example, as 10975286169 + 25715041 = 104763^2 + 5071^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 11001001193 and 11001001202.

It is not an unprimeable number, because it can be changed into a prime (11001001213) 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, 550050051 + ... + 550050070.

Almost surely, 211001001210 is an apocalyptic number.

11001001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11001001210 is a deficient number, since it is larger than the sum of its proper divisors (8800800986).

11001001210 is a wasteful number, since it uses less digits than its factorization.

11001001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100100128.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 11001001210 its reverse (1210010011), we get a palindrome (12211011221).

The spelling of 11001001210 in words is "eleven billion, one million, one thousand, two hundred ten".

Divisors: 1 2 5 10 1100100121 2200200242 5500500605 11001001210