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2110012220 = 225431244781
BaseRepresentation
bin111110111000100…
…0011101100111100
312110001100201121202
41331301003230330
513310130342340
6545212515032
7103200544061
oct17561035474
95401321552
102110012220
11993057458
124aa77ba78
132781b5154
14160334c68
15c5393c15
hex7dc43b3c

2110012220 has 24 divisors (see below), whose sum is σ = 4441324608. Its totient is φ = 842043200.

The previous prime is 2110012207. The next prime is 2110012231. The reversal of 2110012220 is 222100112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113771 + ... + 131010.

It is an arithmetic number, because the mean of its divisors is an integer number (185055192).

Almost surely, 22110012220 is an apocalyptic number.

2110012220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2110012220 is an abundant number, since it is smaller than the sum of its proper divisors (2331312388).

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

2110012220 is a wasteful number, since it uses less digits than its factorization.

2110012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245221 (or 245219 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2110012220 is about 45934.8693260360. The cubic root of 2110012220 is about 1282.6110884424.

Adding to 2110012220 its reverse (222100112), we get a palindrome (2332112332).

The spelling of 2110012220 in words is "two billion, one hundred ten million, twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 431 862 1724 2155 4310 8620 244781 489562 979124 1223905 2447810 4895620 105500611 211001222 422002444 527503055 1055006110 2110012220