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12320431219 = 107661174197
BaseRepresentation
bin10110111100101101…
…01101110001110011
31011210122001202100101
423132112231301303
5200213012244334
65354313333231
7614211636355
oct133626556163
934718052311
1012320431219
115252620368
12247a107217
1312146670b5
1484c3cd0d5
154c1968214
hex2de5adc73

12320431219 has 8 divisors (see below), whose sum is σ = 12454460208. Its totient is φ = 12186752160.

The previous prime is 12320431217. The next prime is 12320431237. The reversal of 12320431219 is 91213402321.

It is a happy number.

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

It is not a de Polignac number, because 12320431219 - 21 = 12320431217 is a prime.

It is a super-2 number, since 2×123204312192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12320431217) 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, 16372 + ... + 157825.

It is an arithmetic number, because the mean of its divisors is an integer number (1556807526).

Almost surely, 212320431219 is an apocalyptic number.

12320431219 is a deficient number, since it is larger than the sum of its proper divisors (134028989).

12320431219 is a wasteful number, since it uses less digits than its factorization.

12320431219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174965.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 12320431219 in words is "twelve billion, three hundred twenty million, four hundred thirty-one thousand, two hundred nineteen".

Divisors: 1 107 661 70727 174197 18639079 115144217 12320431219