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12383399660 = 225677914579
BaseRepresentation
bin10111000100001101…
…11010111011101100
31011222000112212210212
423202012322323230
5200330122242120
65404443121552
7615605106002
oct134206727354
934860485725
1012383399660
1152851194a5
1224972132b8
131224713228
14856900a72
154c72556c5
hex2e21baeec

12383399660 has 24 divisors (see below), whose sum is σ = 26043580080. Its totient is φ = 4946037824.

The previous prime is 12383399657. The next prime is 12383399669. The reversal of 12383399660 is 6699338321.

It is a junction number, because it is equal to n+sod(n) for n = 12383399599 and 12383399608.

It is not an unprimeable number, because it can be changed into a prime (12383399669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443750 + ... + 470829.

It is an arithmetic number, because the mean of its divisors is an integer number (1085149170).

Almost surely, 212383399660 is an apocalyptic number.

12383399660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12383399660 is an abundant number, since it is smaller than the sum of its proper divisors (13660180420).

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

12383399660 is a wasteful number, since it uses less digits than its factorization.

12383399660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915265 (or 915263 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 50.

The spelling of 12383399660 in words is "twelve billion, three hundred eighty-three million, three hundred ninety-nine thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 677 1354 2708 3385 6770 13540 914579 1829158 3658316 4572895 9145790 18291580 619169983 1238339966 2476679932 3095849915 6191699830 12383399660