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268731235864576 = 21267238232
BaseRepresentation
bin111101000110100011011101…
…110110101001000000000000
31022020111110021212200201000001
4331012203131312221000000
5240210343032340131301
62351313231522205344
7110414122353625552
oct7506433566510000
91266443255621001
10268731235864576
11786983059226a1
1226181ab71b3854
13b6c4329304154
144a509385334d2
1521104b200ac01
hexf468ddda9000

268731235864576 has 117 divisors (see below), whose sum is σ = 545680162490211. Its totient is φ = 132325538881536.

The previous prime is 268731235864543. The next prime is 268731235864607. The reversal of 268731235864576 is 675468532137862.

The square root of 268731235864576 is 16393024.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 268731235864499 and 268731235864508.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 70293285001 + ... + 70293288823.

Almost surely, 2268731235864576 is an apocalyptic number.

268731235864576 is the 16393024-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 268731235864576

268731235864576 is an abundant number, since it is smaller than the sum of its proper divisors (276948926625635).

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

268731235864576 is an frugal number, since it uses more digits than its factorization.

268731235864576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7804 (or 3892 counting only the distinct ones).

The product of its digits is 2438553600, while the sum is 73.

The spelling of 268731235864576 in words is "two hundred sixty-eight trillion, seven hundred thirty-one billion, two hundred thirty-five million, eight hundred sixty-four thousand, five hundred seventy-six".

Divisors: 1 2 4 8 16 32 64 67 128 134 256 268 512 536 1024 1072 2048 2144 3823 4096 4288 4489 7646 8576 8978 15292 17152 17956 30584 34304 35912 61168 68608 71824 122336 137216 143648 244672 256141 274432 287296 489344 512282 574592 978688 1024564 1149184 1957376 2049128 2298368 3914752 4098256 4596736 7829504 8196512 9193472 14615329 15659008 16393024 17161447 18386944 29230658 32786048 34322894 58461316 65572096 68645788 116922632 131144192 137291576 233845264 262288384 274583152 467690528 524576768 549166304 935381056 979227043 1049153536 1098332608 1870762112 1958454086 2196665216 3741524224 3916908172 4393330432 7483048448 7833816344 8786660864 14966096896 15667632688 17573321728 29932193792 31335265376 35146643456 59864387584 62670530752 65608211881 70293286912 125341061504 131216423762 250682123008 262432847524 501364246016 524865695048 1002728492032 1049731390096 2005456984064 2099462780192 4010913968128 4198925560384 8397851120768 16795702241536 33591404483072 67182808966144 134365617932288 268731235864576