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275222940480 = 26345191513701
BaseRepresentation
bin1000000000101001001…
…00001100101101000000
3222022101202111222210000
410000110210030231000
514002124033043410
6330234034440000
725612165252245
oct4002444145500
9868352458700
10275222940480
11a67a31a1804
124540b733000
131cc51852347
14d46c62d5cc
15725c377dc0
hex401490cb40

275222940480 has 560 divisors, whose sum is σ = 1037648684160. Its totient is φ = 69050880000.

The previous prime is 275222940383. The next prime is 275222940493. The reversal of 275222940480 is 84049222572.

275222940480 is a `hidden beast` number, since 2 + 7 + 522 + 2 + 9 + 40 + 4 + 80 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 74362630 + ... + 74366330.

Almost surely, 2275222940480 is an apocalyptic number.

275222940480 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 275222940480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518824342080).

275222940480 is an abundant number, since it is smaller than the sum of its proper divisors (762425743680).

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

275222940480 is a wasteful number, since it uses less digits than its factorization.

275222940480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3900 (or 3881 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 275222940480 in words is "two hundred seventy-five billion, two hundred twenty-two million, nine hundred forty thousand, four hundred eighty".