Base | Representation |
---|---|
bin | 1111101011011110011… |
… | …10111001001011000000 |
3 | 1220111120111212122000200 |
4 | 13311233032321023000 |
5 | 32311313143242133 |
6 | 1051254205245200 |
7 | 53631256453500 |
oct | 7655716711300 |
9 | 1814514778020 |
10 | 538737087168 |
11 | 19852804a425 |
12 | 884b1b63800 |
13 | 3ba5867c127 |
14 | 1c109ba5a00 |
15 | e031803913 |
hex | 7d6f3b92c0 |
538737087168 has 378 divisors, whose sum is σ = 1877853614364. Its totient is φ = 147228415488.
The previous prime is 538737087067. The next prime is 538737087179. The reversal of 538737087168 is 861780737835.
538737087168 is a `hidden beast` number, since 53 + 87 + 370 + 87 + 1 + 68 = 666.
It is a super-2 number, since 2×5387370871682 (a number of 24 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is an unprimeable number.
It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 14912455 + ... + 14948537.
Almost surely, 2538737087168 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 538737087168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (938926807182).
538737087168 is an abundant number, since it is smaller than the sum of its proper divisors (1339116527196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
538737087168 is a wasteful number, since it uses less digits than its factorization.
538737087168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36161 (or 36118 counting only the distinct ones).
The product of its (nonzero) digits is 47416320, while the sum is 63.
The spelling of 538737087168 in words is "five hundred thirty-eight billion, seven hundred thirty-seven million, eighty-seven thousand, one hundred sixty-eight".
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