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2558255215488 = 2737367289897
BaseRepresentation
bin100101001110100011111…
…001001011001110000000
3100001120022012112010120020
4211032203321023032000
5313403301313343423
65235125103413440
7352553643354000
oct45164371131600
910046265463506
102558255215488
118a6a4a414975
123539825b4280
1315731c81254b
148bb6a944000
154682d0b54e3
hex253a3e4b380

2558255215488 has 256 divisors, whose sum is σ = 8042930112000. Its totient is φ = 720018173952.

The previous prime is 2558255215463. The next prime is 2558255215501. The reversal of 2558255215488 is 8845125528552.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 8679756 + ... + 8969652.

It is an arithmetic number, because the mean of its divisors is an integer number (31417695750).

Almost surely, 22558255215488 is an apocalyptic number.

2558255215488 is a gapful number since it is divisible by the number (28) 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 2558255215488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4021465056000).

2558255215488 is an abundant number, since it is smaller than the sum of its proper divisors (5484674896512).

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

2558255215488 is an equidigital number, since it uses as much as digits as its factorization.

2558255215488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290002 (or 289976 counting only the distinct ones).

The product of its digits is 51200000, while the sum is 60.

The spelling of 2558255215488 in words is "two trillion, five hundred fifty-eight billion, two hundred fifty-five million, two hundred fifteen thousand, four hundred eighty-eight".