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2309668212 = 2231711321903
BaseRepresentation
bin1000100110101010…
…1011110101110100
312221222001022011010
42021222223311310
514212233340322
61021104112220
7111143566365
oct21152536564
95858038133
102309668212
11a85824a05
12545605670
132aa67b9a7
1417ca67b6c
15d7b8120c
hex89aabd74

2309668212 has 24 divisors (see below), whose sum is σ = 5706239616. Its totient is φ = 724601728.

The previous prime is 2309668201. The next prime is 2309668213. The reversal of 2309668212 is 2128669032.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2309668213) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5660748 + ... + 5661155.

It is an arithmetic number, because the mean of its divisors is an integer number (237759984).

Almost surely, 22309668212 is an apocalyptic number.

It is an amenable number.

2309668212 is an abundant number, since it is smaller than the sum of its proper divisors (3396571404).

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

2309668212 is a wasteful number, since it uses less digits than its factorization.

2309668212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11321927 (or 11321925 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 2309668212 is about 48059.0076052346. The cubic root of 2309668212 is about 1321.8531157877.

The spelling of 2309668212 in words is "two billion, three hundred nine million, six hundred sixty-eight thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 11321903 22643806 33965709 45287612 67931418 135862836 192472351 384944702 577417053 769889404 1154834106 2309668212