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12320656434401 = 721907131852107
BaseRepresentation
bin1011001101001010000001…
…0110011010010011100001
31121121211202201201201111112
42303102200112122103201
53103330201021400101
642112010442153105
72411065231514600
oct263224026322341
947554681651445
1012320656434401
113a201853a3a97
12146b9aaab2795
136b4aa9bc0a33
1430847427da37
1516574dcb46bb
hexb34a059a4e1

12320656434401 has 12 divisors (see below), whose sum is σ = 14339707857648. Its totient is φ = 10555024789512.

The previous prime is 12320656434349. The next prime is 12320656434473. The reversal of 12320656434401 is 10443465602321.

It is not a de Polignac number, because 12320656434401 - 26 = 12320656434337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12320656434001) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 65832611 + ... + 66019496.

It is an arithmetic number, because the mean of its divisors is an integer number (1194975654804).

Almost surely, 212320656434401 is an apocalyptic number.

It is an amenable number.

12320656434401 is a deficient number, since it is larger than the sum of its proper divisors (2019051423247).

12320656434401 is a wasteful number, since it uses less digits than its factorization.

12320656434401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131854028 (or 131854021 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 12320656434401 in words is "twelve trillion, three hundred twenty billion, six hundred fifty-six million, four hundred thirty-four thousand, four hundred one".

Divisors: 1 7 49 1907 13349 93443 131852107 922964749 6460753243 251441968049 1760093776343 12320656434401