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12329691830 = 2517167434297
BaseRepresentation
bin10110111101110100…
…00010101010110110
31011211021111020111222
423132322002222312
5200222400114310
65355244030342
7614353436261
oct133672025266
934737436458
1012329691830
115257875a65
1224812323b2
13121655a251
1484d71dcd8
154c2697055
hex2dee82ab6

12329691830 has 32 divisors (see below), whose sum is σ = 23639708736. Its totient is φ = 4613960704.

The previous prime is 12329691797. The next prime is 12329691923. The reversal of 12329691830 is 3819692321.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 188759 + ... + 245538.

It is an arithmetic number, because the mean of its divisors is an integer number (738740898).

Almost surely, 212329691830 is an apocalyptic number.

12329691830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12329691830 is a deficient number, since it is larger than the sum of its proper divisors (11310016906).

12329691830 is a wasteful number, since it uses less digits than its factorization.

12329691830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434488.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 12329691830 in words is "twelve billion, three hundred twenty-nine million, six hundred ninety-one thousand, eight hundred thirty".

Divisors: 1 2 5 10 17 34 85 167 170 334 835 1670 2839 5678 14195 28390 434297 868594 2171485 4342970 7383049 14766098 36915245 72527599 73830490 145055198 362637995 725275990 1232969183 2465938366 6164845915 12329691830