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52028412480 = 2634511253313
BaseRepresentation
bin110000011101001000…
…101001001001000000
311222021221122012110000
4300131020221021000
51323023233144410
635522421240000
73521212131522
oct603510511100
9158257565400
1052028412480
1120079756400
12a100263000
134ba20845b5
142737ca3a12
1515479badc0
hexc1d229240

52028412480 has 840 divisors, whose sum is σ = 207929155896. Its totient is φ = 12335431680.

The previous prime is 52028412463. The next prime is 52028412487. The reversal of 52028412480 is 8421482025.

52028412480 is a `hidden beast` number, since 520 + 2 + 8 + 4 + 124 + 8 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 361304064 + 51667108416 = 19008^2 + 227304^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52028412487) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 166224804 + ... + 166225116.

Almost surely, 252028412480 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 52028412480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103964577948).

52028412480 is an abundant number, since it is smaller than the sum of its proper divisors (155900743416).

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

52028412480 is a wasteful number, since it uses less digits than its factorization.

52028412480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 36.

The spelling of 52028412480 in words is "fifty-two billion, twenty-eight million, four hundred twelve thousand, four hundred eighty".