Search a number
-
+
2011312001105 = 511291261010659
BaseRepresentation
bin11101010001001011100…
…010011001000001010001
321010021112210101001020222
4131101023202121001101
5230423131333013410
64135552312242425
7265212120633101
oct35211342310121
97107483331228
102011312001105
11705aa120a730
122859803a0415
13117886ccc154
146d4c2d79201
15374bb14b955
hex1d44b899051

2011312001105 has 16 divisors (see below), whose sum is σ = 2723783025600. Its totient is φ = 1412331936960.

The previous prime is 2011312001099. The next prime is 2011312001123. The reversal of 2011312001105 is 5011002131102.

It is not a de Polignac number, because 2011312001105 - 216 = 2011311935569 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630503735 + ... + 630506924.

It is an arithmetic number, because the mean of its divisors is an integer number (170236439100).

Almost surely, 22011312001105 is an apocalyptic number.

It is an amenable number.

2011312001105 is a deficient number, since it is larger than the sum of its proper divisors (712471024495).

2011312001105 is a wasteful number, since it uses less digits than its factorization.

2011312001105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261010704.

The product of its (nonzero) digits is 60, while the sum is 17.

Adding to 2011312001105 its reverse (5011002131102), we get a palindrome (7022314132207).

The spelling of 2011312001105 in words is "two trillion, eleven billion, three hundred twelve million, one thousand, one hundred five".

Divisors: 1 5 11 29 55 145 319 1595 1261010659 6305053295 13871117249 36569309111 69355586245 182846545555 402262400221 2011312001105