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12329647979 = 111958993531
BaseRepresentation
bin10110111101110011…
…10111111101101011
31011211021102000100212
423132321313331223
5200222342213404
65355243051335
7614353164365
oct133671677553
934737360325
1012329647979
115257846020
122481210b4b
1312165432bc
1484d70bd35
154c268906e
hex2dee77f6b

12329647979 has 8 divisors (see below), whose sum is σ = 14158447680. Its totient is φ = 10618835400.

The previous prime is 12329647969. The next prime is 12329648003. The reversal of 12329647979 is 97974692321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12329647979 - 212 = 12329643883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12329647969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29496557 + ... + 29496974.

It is an arithmetic number, because the mean of its divisors is an integer number (1769805960).

Almost surely, 212329647979 is an apocalyptic number.

12329647979 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12329647979 is a deficient number, since it is larger than the sum of its proper divisors (1828799701).

12329647979 is a wasteful number, since it uses less digits than its factorization.

12329647979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58993561.

The product of its digits is 10287648, while the sum is 59.

The spelling of 12329647979 in words is "twelve billion, three hundred twenty-nine million, six hundred forty-seven thousand, nine hundred seventy-nine".

Divisors: 1 11 19 209 58993531 648928841 1120877089 12329647979