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2001100211 = 11237909487
BaseRepresentation
bin111011101000110…
…0101110110110011
312011110102102102122
41313101211312303
513044240201321
6530322304455
7100406033255
oct16721456663
95143372378
102001100211
11937629230
1247a1b812b
1325b771086
1414daa3cd5
15baa2d8ab
hex77465db3

2001100211 has 8 divisors (see below), whose sum is σ = 2277932544. Its totient is φ = 1740086920.

The previous prime is 2001100207. The next prime is 2001100237. The reversal of 2001100211 is 1120011002.

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

It is not a de Polignac number, because 2001100211 - 22 = 2001100207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001100291) 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 7 ways as a sum of consecutive naturals, for example, 3954491 + ... + 3954996.

It is an arithmetic number, because the mean of its divisors is an integer number (284741568).

Almost surely, 22001100211 is an apocalyptic number.

2001100211 is a deficient number, since it is larger than the sum of its proper divisors (276832333).

2001100211 is a wasteful number, since it uses less digits than its factorization.

2001100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7909521.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 2001100211 is about 44733.6585917137. The cubic root of 2001100211 is about 1260.1520373773.

Adding to 2001100211 its reverse (1120011002), we get a palindrome (3121111213).

It can be divided in two parts, 20011002 and 11, that multiplied together give a palindrome (220121022).

The spelling of 2001100211 in words is "two billion, one million, one hundred thousand, two hundred eleven".

Divisors: 1 11 23 253 7909487 87004357 181918201 2001100211