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26849243420 = 22517292723047
BaseRepresentation
bin11001000000010101…
…101111000100011100
32120022011120212212222
4121000111233010130
5414441401242140
620200120244512
71640230542416
oct310025570434
976264525788
1026849243420
1110428774a7a
125253910738
1326bb6a84ac
141429bdb9b6
15a722065b5
hex64056f11c

26849243420 has 48 divisors (see below), whose sum is σ = 61758728640. Its totient is φ = 9759396864.

The previous prime is 26849243419. The next prime is 26849243431. The reversal of 26849243420 is 2434294862.

It is a congruent number.

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, 1351664 + ... + 1371383.

It is an arithmetic number, because the mean of its divisors is an integer number (1286640180).

Almost surely, 226849243420 is an apocalyptic number.

26849243420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26849243420 is an abundant number, since it is smaller than the sum of its proper divisors (34909485220).

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

26849243420 is a wasteful number, since it uses less digits than its factorization.

26849243420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723102 (or 2723100 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 44.

The spelling of 26849243420 in words is "twenty-six billion, eight hundred forty-nine million, two hundred forty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 29 34 58 68 85 116 145 170 290 340 493 580 986 1972 2465 4930 9860 2723047 5446094 10892188 13615235 27230470 46291799 54460940 78968363 92583598 157936726 185167196 231458995 315873452 394841815 462917990 789683630 925835980 1342462171 1579367260 2684924342 5369848684 6712310855 13424621710 26849243420