Search a number
-
+
2212321308 = 223184360109
BaseRepresentation
bin1000001111011101…
…0101100000011100
312201011212120022020
42003313111200130
514012323240213
61003305420140
7105552264231
oct20367254034
95634776266
102212321308
11a3588581a
12518a9a650
13293456982
1416db67788
15ce352923
hex83dd581c

2212321308 has 12 divisors (see below), whose sum is σ = 5162083080. Its totient is φ = 737440432.

The previous prime is 2212321301. The next prime is 2212321339. The reversal of 2212321308 is 8031232122.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212321301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92180043 + ... + 92180066.

It is an arithmetic number, because the mean of its divisors is an integer number (430173590).

Almost surely, 22212321308 is an apocalyptic number.

It is an amenable number.

2212321308 is an abundant number, since it is smaller than the sum of its proper divisors (2949761772).

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

2212321308 is a wasteful number, since it uses less digits than its factorization.

2212321308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184360116 (or 184360114 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2212321308 is about 47035.3197926835. The cubic root of 2212321308 is about 1303.0149565559.

The spelling of 2212321308 in words is "two billion, two hundred twelve million, three hundred twenty-one thousand, three hundred eight".

Divisors: 1 2 3 4 6 12 184360109 368720218 553080327 737440436 1106160654 2212321308