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12306165530 = 251773991633
BaseRepresentation
bin10110111011000000…
…10010111100011010
31011202122012222111112
423131200102330122
5200200334244110
65353043500322
7613646452421
oct133540227432
934678188445
1012306165530
11524556733a
1224753876a2
131211710a69
1484a5582b8
154c059b405
hex2dd812f1a

12306165530 has 32 divisors (see below), whose sum is σ = 23775416784. Its totient is φ = 4569440256.

The previous prime is 12306165527. The next prime is 12306165583. The reversal of 12306165530 is 3556160321.

12306165530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 10701281809 + 1604883721 = 103447^2 + 40061^2 .

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 483407 + ... + 508226.

Almost surely, 212306165530 is an apocalyptic number.

12306165530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12306165530 is a deficient number, since it is larger than the sum of its proper divisors (11469251254).

12306165530 is a wasteful number, since it uses less digits than its factorization.

12306165530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991730.

The product of its (nonzero) digits is 16200, while the sum is 32.

The spelling of 12306165530 in words is "twelve billion, three hundred six million, one hundred sixty-five thousand, five hundred thirty".

Divisors: 1 2 5 10 17 34 73 85 146 170 365 730 1241 2482 6205 12410 991633 1983266 4958165 9916330 16857761 33715522 72389209 84288805 144778418 168577610 361946045 723892090 1230616553 2461233106 6153082765 12306165530