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14428715858581 = 313839312123107
BaseRepresentation
bin1101000111110111001001…
…1110111011101010010101
31220002101001000110002021011
43101331302132323222111
53342400002224433311
650404243251452221
73016304013126643
oct321756236735225
956071030402234
1014428715858581
114663202a45612
12175046b8b7071
138088118b278b
1437c4d42c6193
151a04cd814321
hexd1f727bba95

14428715858581 has 8 divisors (see below), whose sum is σ = 14894547473664. Its totient is φ = 13962908566560.

The previous prime is 14428715858573. The next prime is 14428715858597. The reversal of 14428715858581 is 18585851782441.

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 14428715858581 - 23 = 14428715858573 is a prime.

It is a super-2 number, since 2×144287158585812 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14428715858551) 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, 4871371 + ... + 7251736.

It is an arithmetic number, because the mean of its divisors is an integer number (1861818434208).

Almost surely, 214428715858581 is an apocalyptic number.

It is an amenable number.

14428715858581 is a deficient number, since it is larger than the sum of its proper divisors (465831615083).

14428715858581 is a wasteful number, since it uses less digits than its factorization.

14428715858581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12161531.

The product of its digits is 114688000, while the sum is 67.

The spelling of 14428715858581 in words is "fourteen trillion, four hundred twenty-eight billion, seven hundred fifteen million, eight hundred fifty-eight thousand, five hundred eighty-one".

Divisors: 1 31 38393 1190183 12123107 375816317 465442447051 14428715858581