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255030215523200 = 2752137045787011
BaseRepresentation
bin111001111111001011011001…
…011001110011101110000000
31020102222122120012202001202022
4321333023121121303232000
5231411403340133220300
62302223132534541012
7104501216325356345
oct7177133131635600
91212878505661668
10255030215523200
1174295786047777
122472a693207768
13ac3c32799c010
1446d97578c27cc
151e73dc3e1d285
hexe7f2d9673b80

255030215523200 has 192 divisors, whose sum is σ = 678483627862320. Its totient is φ = 94162583961600.

The previous prime is 255030215523169. The next prime is 255030215523211. The reversal of 255030215523200 is 2325512030552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2930967695 + ... + 2931054705.

Almost surely, 2255030215523200 is an apocalyptic number.

255030215523200 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 255030215523200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339241813931160).

255030215523200 is an abundant number, since it is smaller than the sum of its proper divisors (423453412339120).

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

255030215523200 is a wasteful number, since it uses less digits than its factorization.

255030215523200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157505 (or 157488 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

Adding to 255030215523200 its reverse (2325512030552), we get a palindrome (257355727553752).

The spelling of 255030215523200 in words is "two hundred fifty-five trillion, thirty billion, two hundred fifteen million, five hundred twenty-three thousand, two hundred".