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26961468268 = 227962909581
BaseRepresentation
bin11001000111000001…
…110101101101101100
32120120222202111102211
4121013001311231230
5420204113441033
620215205500204
71643062461520
oct310701655554
976528674384
1026961468268
1110486056189
125285411664
132708a0c427
14143aa91d80
15a7bec32cd
hex647075b6c

26961468268 has 12 divisors (see below), whose sum is σ = 53922936592. Its totient is φ = 11554914960.

The previous prime is 26961468221. The next prime is 26961468277. The reversal of 26961468268 is 86286416962.

26961468268 is an admirable number.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481454763 + ... + 481454818.

Almost surely, 226961468268 is an apocalyptic number.

26961468268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

26961468268 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

26961468268 is a wasteful number, since it uses less digits than its factorization.

26961468268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962909592 (or 962909590 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 58.

The spelling of 26961468268 in words is "twenty-six billion, nine hundred sixty-one million, four hundred sixty-eight thousand, two hundred sixty-eight".

Divisors: 1 2 4 7 14 28 962909581 1925819162 3851638324 6740367067 13480734134 26961468268