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26540275000 = 235523101457
BaseRepresentation
bin11000101101111011…
…000111010100111000
32112111122012122220011
4120231323013110320
5413323302300000
620105322111304
71626456421021
oct305573072470
975448178804
1026540275000
111028a325478
12518834b534
13266c68a545
1413dab71c48
15a550252ba
hex62dec7538

26540275000 has 192 divisors, whose sum is σ = 65690170560. Its totient is φ = 10032000000.

The previous prime is 26540274991. The next prime is 26540275007. The reversal of 26540275000 is 57204562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26540275007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58074772 + ... + 58075228.

It is an arithmetic number, because the mean of its divisors is an integer number (342136305).

Almost surely, 226540275000 is an apocalyptic number.

26540275000 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 26540275000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32845085280).

26540275000 is an abundant number, since it is smaller than the sum of its proper divisors (39149895560).

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

26540275000 is a wasteful number, since it uses less digits than its factorization.

26540275000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

Adding to 26540275000 its reverse (57204562), we get a palindrome (26597479562).

The spelling of 26540275000 in words is "twenty-six billion, five hundred forty million, two hundred seventy-five thousand".