Search a number
-
+
11001011012012 = 2272110491861621
BaseRepresentation
bin1010000000010101111101…
…0110101000000110101100
31102221200112101001102001202
42200011133112220012230
52420220032304341022
635221443353025032
72213540210510240
oct240053726500654
942850471042052
1011001011012012
113561558a1422a
1212980a03b5178
1361a510a18608
142a064794c420
15141265313592
hexa015f5a81ac

11001011012012 has 24 divisors (see below), whose sum is σ = 22002138093600. Its totient is φ = 4714694133120.

The previous prime is 11001011011987. The next prime is 11001011012021. The reversal of 11001011012012 is 21021011010011.

It is a junction number, because it is equal to n+sod(n) for n = 11001011011984 and 11001011012002.

It is an unprimeable number.

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, 4978562 + ... + 6840182.

It is an arithmetic number, because the mean of its divisors is an integer number (916755753900).

Almost surely, 211001011012012 is an apocalyptic number.

It is an amenable number.

11001011012012 is an abundant number, since it is smaller than the sum of its proper divisors (11001127081588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11001011012012 is a wasteful number, since it uses less digits than its factorization.

11001011012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072681 (or 2072679 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11001011012012 its reverse (21021011010011), we get a palindrome (32022022022023).

The spelling of 11001011012012 in words is "eleven trillion, one billion, eleven million, twelve thousand, twelve".

Divisors: 1 2 4 7 14 28 211049 422098 844196 1477343 1861621 2954686 3723242 5909372 7446484 13031347 26062694 52125388 392893250429 785786500858 1571573001716 2750252753003 5500505506006 11001011012012