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26313313040540 = 22519415632999851
BaseRepresentation
bin1011111101110100010111…
…01011010011100010011100
310110011112021000202121122122
411332322023223103202130
511422104131114244130
6131544100311002112
75354034266314631
oct576721353234234
9113145230677578
1026313313040540
118425460252129
122b4b843369338
13118b4476596c6
1466d7dd324188
1530970a1672e5
hex17ee8bad389c

26313313040540 has 96 divisors (see below), whose sum is σ = 59690815107840. Its totient is φ = 9710874432000.

The previous prime is 26313313040527. The next prime is 26313313040563. The reversal of 26313313040540 is 4504031331362.

It is a self number, because there is not a number n which added to its sum of digits gives 26313313040540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7271615 + ... + 10271465.

It is an arithmetic number, because the mean of its divisors is an integer number (621779324040).

Almost surely, 226313313040540 is an apocalyptic number.

26313313040540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26313313040540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29845407553920).

26313313040540 is an abundant number, since it is smaller than the sum of its proper divisors (33377502067300).

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

26313313040540 is a wasteful number, since it uses less digits than its factorization.

26313313040540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000483 (or 3000481 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 35.

The spelling of 26313313040540 in words is "twenty-six trillion, three hundred thirteen billion, three hundred thirteen million, forty thousand, five hundred forty".

Divisors: 1 2 4 5 10 19 20 38 41 76 82 95 164 190 205 380 410 563 779 820 1126 1558 2252 2815 3116 3895 5630 7790 10697 11260 15580 21394 23083 42788 46166 53485 92332 106970 115415 213940 230830 438577 461660 877154 1754308 2192885 2999851 4385770 5999702 8771540 11999404 14999255 29998510 56997169 59997020 113994338 122993891 227988676 245987782 284985845 491975564 569971690 614969455 1139943380 1229938910 1688916113 2336883929 2459877820 3377832226 4673767858 6755664452 8444580565 9347535716 11684419645 16889161130 23368839290 32089406147 33778322260 46737678580 64178812294 69245560633 128357624588 138491121266 160447030735 276982242532 320894061470 346227803165 641788122940 692455606330 1315665652027 1384911212660 2631331304054 5262662608108 6578328260135 13156656520270 26313313040540