Search a number
-
+
2112101022 = 23863407899
BaseRepresentation
bin111110111100100…
…0001101010011110
312110012021211220210
41331321001222132
513311144213042
6545325353250
7103224363633
oct17571015236
95405254823
102112101022
11994253839
124ab408826
13278766b25
1416071a18a
15c5657a9c
hex7de41a9e

2112101022 has 16 divisors (see below), whose sum is σ = 4229107200. Its totient is φ = 703216152.

The previous prime is 2112101011. The next prime is 2112101023. The reversal of 2112101022 is 2201012112.

It is a junction number, because it is equal to n+sod(n) for n = 2112100989 and 2112101007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112101023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198772 + ... + 209127.

It is an arithmetic number, because the mean of its divisors is an integer number (264319200).

Almost surely, 22112101022 is an apocalyptic number.

2112101022 is an abundant number, since it is smaller than the sum of its proper divisors (2117006178).

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

2112101022 is a wasteful number, since it uses less digits than its factorization.

2112101022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408767.

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

The square root of 2112101022 is about 45957.6002637213. The cubic root of 2112101022 is about 1283.0341882084.

Adding to 2112101022 its reverse (2201012112), we get a palindrome (4313113134).

The spelling of 2112101022 in words is "two billion, one hundred twelve million, one hundred one thousand, twenty-two".

Divisors: 1 2 3 6 863 1726 2589 5178 407899 815798 1223697 2447394 352016837 704033674 1056050511 2112101022