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12305004105 = 3519211204623
BaseRepresentation
bin10110111010110111…
…10111011001001001
31011202120000222022210
423131123313121021
5200200040112410
65353002535333
7613633544352
oct133533673111
934676028283
1012305004105
115244943789
122474b07549
1312113c5224
1484a334d29
154c041c220
hex2dd6f7649

12305004105 has 32 divisors (see below), whose sum is σ = 20822538240. Its totient is φ = 6187769280.

The previous prime is 12305004083. The next prime is 12305004113. The reversal of 12305004105 is 50140050321.

It is not a de Polignac number, because 12305004105 - 223 = 12296615497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42177 + ... + 162446.

It is an arithmetic number, because the mean of its divisors is an integer number (650704320).

Almost surely, 212305004105 is an apocalyptic number.

12305004105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12305004105 is a deficient number, since it is larger than the sum of its proper divisors (8517534135).

12305004105 is a wasteful number, since it uses less digits than its factorization.

12305004105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204861.

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 12305004105 its reverse (50140050321), we get a palindrome (62445054426).

The spelling of 12305004105 in words is "twelve billion, three hundred five million, four thousand, one hundred five".

Divisors: 1 3 5 15 19 57 95 211 285 633 1055 3165 4009 12027 20045 60135 204623 613869 1023115 3069345 3887837 11663511 19439185 43175453 58317555 129526359 215877265 647631795 820333607 2461000821 4101668035 12305004105