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12704999811718 = 261230945101491
BaseRepresentation
bin1011100011100001110100…
…0000000010101010000110
31122222120211021121020211011
42320320131000002222012
53131124314422433333
643004332450432434
72450622511360414
oct270703500025206
948876737536734
1012704999811718
1140591841a1aa5
12151239289271a
137120cb9507a6
1431ccd4d362b4
15170745de39cd
hexb8e1d002a86

12704999811718 has 16 divisors (see below), whose sum is σ = 19378307052720. Its totient is φ = 6245654335200.

The previous prime is 12704999811689. The next prime is 12704999811719. The reversal of 12704999811718 is 81711899940721.

It is a super-2 number, since 2×127049998117182 (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 (12704999811719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22269048 + ... + 22832443.

It is an arithmetic number, because the mean of its divisors is an integer number (1211144190795).

Almost surely, 212704999811718 is an apocalyptic number.

12704999811718 is a deficient number, since it is larger than the sum of its proper divisors (6673307241002).

12704999811718 is a wasteful number, since it uses less digits than its factorization.

12704999811718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45103863.

The product of its (nonzero) digits is 18289152, while the sum is 67.

The spelling of 12704999811718 in words is "twelve trillion, seven hundred four billion, nine hundred ninety-nine million, eight hundred eleven thousand, seven hundred eighteen".

Divisors: 1 2 61 122 2309 4618 140849 281698 45101491 90202982 2751190951 5502381902 104139342719 208278685438 6352499905859 12704999811718