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26668192914 = 232111011333543
BaseRepresentation
bin11000110101100011…
…000101010010010010
32112211112220120021200
4120311203011102102
5414104024133124
620130131532030
71632601620366
oct306543052222
975745816250
1026668192914
1110345555060
12520315a016
13269002740c
14140db4d2a6
15a61391bc9
hex6358c5492

26668192914 has 48 divisors (see below), whose sum is σ = 63658056384. Its totient is φ = 8001252000.

The previous prime is 26668192861. The next prime is 26668192933. The reversal of 26668192914 is 41929186662.

It is a super-2 number, since 2×266681929142 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 646774 + ... + 686769.

It is an arithmetic number, because the mean of its divisors is an integer number (1326209508).

Almost surely, 226668192914 is an apocalyptic number.

26668192914 is an abundant number, since it is smaller than the sum of its proper divisors (36989863470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26668192914 is a wasteful number, since it uses less digits than its factorization.

26668192914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333663 (or 1333660 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The spelling of 26668192914 in words is "twenty-six billion, six hundred sixty-eight million, one hundred ninety-two thousand, nine hundred fourteen".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 101 198 202 303 606 909 1111 1818 2222 3333 6666 9999 19998 1333543 2667086 4000629 8001258 12001887 14668973 24003774 29337946 44006919 88013838 132020757 134687843 264041514 269375686 404063529 808127058 1212190587 1481566273 2424381174 2963132546 4444698819 8889397638 13334096457 26668192914