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255229332480 = 21033515112227
BaseRepresentation
bin1110110110110011011…
…0101000110000000000
3220101210101000110201000
43231230312220300000
513140202202114410
6313130054212000
724303551350023
oct3555466506000
9811711013630
10255229332480
1199273339131
124156b954000
131b0b65a4c75
14c4d312d1ba
15698be70dc0
hex3b6cda8c00

255229332480 has 352 divisors, whose sum is σ = 913120519680. Its totient is φ = 67604889600.

The previous prime is 255229332473. The next prime is 255229332487. The reversal of 255229332480 is 84233922552.

255229332480 is a `hidden beast` number, since 2 + 5 + 52 + 2 + 93 + 32 + 480 = 666.

It is an interprime number because it is at equal distance from previous prime (255229332473) and next prime (255229332487).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (255229332487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20868127 + ... + 20880353.

Almost surely, 2255229332480 is an apocalyptic number.

255229332480 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 255229332480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (456560259840).

255229332480 is an abundant number, since it is smaller than the sum of its proper divisors (657891187200).

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

255229332480 is a wasteful number, since it uses less digits than its factorization.

255229332480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12412 (or 12388 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 255229332480 in words is "two hundred fifty-five billion, two hundred twenty-nine million, three hundred thirty-two thousand, four hundred eighty".