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6478120681343 = 371693103416623
BaseRepresentation
bin101111001000100111000…
…0101001111111101111111
3211221022011100221201100022
41132101032011033331333
51322114142343300333
621440001344322355
71236012604151513
oct136211605177577
924838140851308
106478120681343
1120783a0270a13
128876056133bb
1337cb6566096c
141857852c8143
15b379dd79c98
hex5e44e14ff7f

6478120681343 has 8 divisors (see below), whose sum is σ = 6657134920128. Its totient is φ = 6299313279264.

The previous prime is 6478120681313. The next prime is 6478120681379. The reversal of 6478120681343 is 3431860218746.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6478120681343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6478120681313) 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, 51645671 + ... + 51770952.

It is an arithmetic number, because the mean of its divisors is an integer number (832141865016).

Almost surely, 26478120681343 is an apocalyptic number.

6478120681343 is a deficient number, since it is larger than the sum of its proper divisors (179014238785).

6478120681343 is a wasteful number, since it uses less digits than its factorization.

6478120681343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103418353.

The product of its (nonzero) digits is 4644864, while the sum is 53.

The spelling of 6478120681343 in words is "six trillion, four hundred seventy-eight billion, one hundred twenty million, six hundred eighty-one thousand, three hundred forty-three".

Divisors: 1 37 1693 62641 103416623 3826415051 175084342739 6478120681343