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53207725784472 = 2336717315346663
BaseRepresentation
bin11000001100100011000111…
…00110000011110110011000
320222101121102220010202000000
430012101203212003312120
523433223410300100342
6305055143005213000
714131063021623210
oct1406214346036630
9228347386122000
1053207725784472
1115a542a70a0206
125b7401b861160
13238c60c04463c
14d1d3a66a9240
156240c5c0944c
hex306463983d98

53207725784472 has 896 divisors, whose sum is σ = 190370484264960. Its totient is φ = 13584868577280.

The previous prime is 53207725784467. The next prime is 53207725784491. The reversal of 53207725784472 is 27448752770235.

53207725784472 is a `hidden beast` number, since 5 + 3 + 2 + 0 + 77 + 25 + 78 + 4 + 472 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 1140231813 + ... + 1140278475.

Almost surely, 253207725784472 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 53207725784472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95185242132480).

53207725784472 is an abundant number, since it is smaller than the sum of its proper divisors (137162758480488).

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

53207725784472 is a wasteful number, since it uses less digits than its factorization.

53207725784472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46795 (or 46776 counting only the distinct ones).

The product of its (nonzero) digits is 184396800, while the sum is 63.

The spelling of 53207725784472 in words is "fifty-three trillion, two hundred seven billion, seven hundred twenty-five million, seven hundred eighty-four thousand, four hundred seventy-two".