Base | Representation |
---|---|
bin | 11000001100100011000111… |
… | …00110000011110110011000 |
3 | 20222101121102220010202000000 |
4 | 30012101203212003312120 |
5 | 23433223410300100342 |
6 | 305055143005213000 |
7 | 14131063021623210 |
oct | 1406214346036630 |
9 | 228347386122000 |
10 | 53207725784472 |
11 | 15a542a70a0206 |
12 | 5b7401b861160 |
13 | 238c60c04463c |
14 | d1d3a66a9240 |
15 | 6240c5c0944c |
hex | 306463983d98 |
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".
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