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12313202306 = 2172343366181
BaseRepresentation
bin10110111011110110…
…01000111010000010
31011210010110111010212
423131323020322002
5200204134433211
65353454354122
7614063330666
oct133573107202
934703414125
1012313202306
115249533159
1224777bb942
131213005932
1484b46a8a6
154c0edb38b
hex2ddec8e82

12313202306 has 32 divisors (see below), whose sum is σ = 20881162368. Its totient is φ = 5413605120.

The previous prime is 12313202197. The next prime is 12313202309. The reversal of 12313202306 is 60320231321.

12313202306 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×123132023062 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12313202309) 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, 149465 + ... + 216716.

It is an arithmetic number, because the mean of its divisors is an integer number (652536324).

Almost surely, 212313202306 is an apocalyptic number.

12313202306 is a deficient number, since it is larger than the sum of its proper divisors (8567960062).

12313202306 is a wasteful number, since it uses less digits than its factorization.

12313202306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366266.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12313202306 its reverse (60320231321), we get a palindrome (72633433627).

The spelling of 12313202306 in words is "twelve billion, three hundred thirteen million, two hundred two thousand, three hundred six".

Divisors: 1 2 17 23 34 43 46 86 391 731 782 989 1462 1978 16813 33626 366181 732362 6225077 8422163 12450154 15745783 16844326 31491566 143176771 267678311 286353542 362153009 535356622 724306018 6156601153 12313202306