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320712307072471 = 2313944013350977
BaseRepresentation
bin100100011101011111010011…
…1001000110101110111010111
31120001112210112002211112211201
41020322332213020311313113
5314014022301102304341
63054033111103013331
7124360461641646166
oct11072764710656727
91501483462745751
10320712307072471
1193209364431926
122bb7823a89a247
13109c506b7c3292
14592a7b66ab3dd
1527126e2e77331
hex123afa7235dd7

320712307072471 has 4 divisors (see below), whose sum is σ = 334656320423472. Its totient is φ = 306768293721472.

The previous prime is 320712307072411. The next prime is 320712307072519. The reversal of 320712307072471 is 174270703217023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320712307072471 - 243 = 311916214050263 is a prime.

It is a super-3 number, since 3×3207123070724713 (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320712307072411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6972006675466 + ... + 6972006675511.

It is an arithmetic number, because the mean of its divisors is an integer number (83664080105868).

Almost surely, 2320712307072471 is an apocalyptic number.

320712307072471 is a deficient number, since it is larger than the sum of its proper divisors (13944013351001).

320712307072471 is a wasteful number, since it uses less digits than its factorization.

320712307072471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13944013351000.

The product of its (nonzero) digits is 691488, while the sum is 46.

The spelling of 320712307072471 in words is "three hundred twenty trillion, seven hundred twelve billion, three hundred seven million, seventy-two thousand, four hundred seventy-one".

Divisors: 1 23 13944013350977 320712307072471