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26785041228 = 2233111931101379
BaseRepresentation
bin11000111100100000…
…110100101101001100
32120010200210002001000
4120330200310231030
5414323432304403
620145504220300
71635521044131
oct307440645514
976120702030
1026785041228
11103a5503a10
12523630a690
1326ab2b992a
141421488588
15a6b7737a3
hex63c834b4c

26785041228 has 384 divisors, whose sum is σ = 83349504000. Its totient is φ = 7348320000.

The previous prime is 26785041223. The next prime is 26785041251. The reversal of 26785041228 is 82214058762.

It is not an unprimeable number, because it can be changed into a prime (26785041223) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 70672743 + ... + 70673121.

It is an arithmetic number, because the mean of its divisors is an integer number (217056000).

Almost surely, 226785041228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26785041228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41674752000).

26785041228 is an abundant number, since it is smaller than the sum of its proper divisors (56564462772).

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

26785041228 is a wasteful number, since it uses less digits than its factorization.

26785041228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 26785041228 in words is "twenty-six billion, seven hundred eighty-five million, forty-one thousand, two hundred twenty-eight".