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52455444480 = 212345103307
BaseRepresentation
bin110000110110100101…
…101001000000000000
312000101201011200020000
4300312211221000000
51324412043210410
640033034120000
73534615631005
oct606645510000
9160351150200
1052455444480
112027880490a
12a1bb280000
134c3c69bc5a
1427788a38ac
15157021ddc0
hexc36969000

52455444480 has 520 divisors, whose sum is σ = 190483605312. Its totient is φ = 13807190016.

The previous prime is 52455444469. The next prime is 52455444497. The reversal of 52455444480 is 8444455425.

52455444480 is a `hidden beast` number, since 5 + 24 + 5 + 544 + 4 + 4 + 80 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 170864487 + ... + 170864793.

Almost surely, 252455444480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52455444480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95241802656).

52455444480 is an abundant number, since it is smaller than the sum of its proper divisors (138028160832).

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

52455444480 is a wasteful number, since it uses less digits than its factorization.

52455444480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 2048000, while the sum is 45.

The spelling of 52455444480 in words is "fifty-two billion, four hundred fifty-five million, four hundred forty-four thousand, four hundred eighty".