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12390016889690 = 2511415132713283
BaseRepresentation
bin1011010001001100011010…
…0011100011001101011010
31121212110210120122220221222
42310103012203203031122
53110444223310432230
642203521205332042
72416102111614446
oct264230643431532
947773716586858
1012390016889690
113a47638588710
121481327707022
136bb4b19a525b
1430b973d77826
1516745d1956e5
hexb44c68e335a

12390016889690 has 32 divisors (see below), whose sum is σ = 24330082746816. Its totient is φ = 4505350495360.

The previous prime is 12390016889603. The next prime is 12390016889713. The reversal of 12390016889690 is 9698861009321.

It is a super-2 number, since 2×123900168896902 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3209789 + ... + 5923071.

It is an arithmetic number, because the mean of its divisors is an integer number (760315085838).

Almost surely, 212390016889690 is an apocalyptic number.

12390016889690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12390016889690 is a deficient number, since it is larger than the sum of its proper divisors (11940065857126).

12390016889690 is a wasteful number, since it uses less digits than its factorization.

12390016889690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754814.

The product of its (nonzero) digits is 10077696, while the sum is 62.

The spelling of 12390016889690 in words is "twelve trillion, three hundred ninety billion, sixteen million, eight hundred eighty-nine thousand, six hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 41513 83026 207565 415130 456643 913286 2283215 2713283 4566430 5426566 13566415 27132830 29846113 59692226 149230565 298461130 112636517179 225273034358 563182585895 1126365171790 1239001688969 2478003377938 6195008444845 12390016889690