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53259535980 = 223257431815431
BaseRepresentation
bin110001100110100001…
…000000011001101100
312002110202012202101200
4301212201000121230
51333033420122410
640244520405500
73563551405050
oct614641003154
9162422182350
1053259535980
112065068a742
12a3a4616890
13503a155241
1428135b5c60
1515bab033c0
hexc6684066c

53259535980 has 288 divisors, whose sum is σ = 190005623808. Its totient is φ = 11822630400.

The previous prime is 53259535891. The next prime is 53259535991. The reversal of 53259535980 is 8953595235.

53259535980 is a `hidden beast` number, since 5 + 3 + 25 + 9 + 535 + 9 + 80 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9803865 + ... + 9809295.

Almost surely, 253259535980 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 53259535980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95002811904).

53259535980 is an abundant number, since it is smaller than the sum of its proper divisors (136746087828).

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

53259535980 is a wasteful number, since it uses less digits than its factorization.

53259535980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5677 (or 5672 counting only the distinct ones).

The product of its (nonzero) digits is 7290000, while the sum is 54.

The spelling of 53259535980 in words is "fifty-three billion, two hundred fifty-nine million, five hundred thirty-five thousand, nine hundred eighty".