Search a number
-
+
2011122102 = 2311291050743
BaseRepresentation
bin111011111011111…
…0100100110110110
312012011021120212210
41313313310212312
513104321401402
6531321154250
7100560153513
oct16767644666
95164246783
102011122102
11942253890
1248162b986
1326086c8a2
1415115230a
15bb85d06c
hex77df49b6

2011122102 has 32 divisors (see below), whose sum is σ = 4539214080. Its totient is φ = 588415520.

The previous prime is 2011122079. The next prime is 2011122107. The reversal of 2011122102 is 2012211102.

It is a super-2 number, since 2×20111221022 = 8089224218305796808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011122107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 523458 + ... + 527285.

It is an arithmetic number, because the mean of its divisors is an integer number (141850440).

Almost surely, 22011122102 is an apocalyptic number.

2011122102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2011122102 is an abundant number, since it is smaller than the sum of its proper divisors (2528091978).

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

2011122102 is a wasteful number, since it uses less digits than its factorization.

2011122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050788.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2011122102 is about 44845.5360320289. The cubic root of 2011122102 is about 1262.2522290231.

Adding to 2011122102 its reverse (2012211102), we get a palindrome (4023333204).

The spelling of 2011122102 in words is "two billion, eleven million, one hundred twenty-two thousand, one hundred two".

Divisors: 1 2 3 6 11 22 29 33 58 66 87 174 319 638 957 1914 1050743 2101486 3152229 6304458 11558173 23116346 30471547 34674519 60943094 69349038 91414641 182829282 335187017 670374034 1005561051 2011122102