Base | Representation |
---|---|
bin | 1111101011010000111… |
… | …01110000001110101011 |
3 | 1220111021121012221121000 |
4 | 13311220131300032223 |
5 | 32311100111322222 |
6 | 1051235031450043 |
7 | 53625410365533 |
oct | 7655035601653 |
9 | 1814247187530 |
10 | 538623542187 |
11 | 198479a473a5 |
12 | 8847bb26923 |
13 | 3ba3aca5353 |
14 | 1c0d8a8a4c3 |
15 | e0268759ac |
hex | 7d687703ab |
538623542187 has 12 divisors (see below), whose sum is σ = 797966452920. Its totient is φ = 359079819120.
The previous prime is 538623542153. The next prime is 538623542203. The reversal of 538623542187 is 781245326835.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
538623542187 is a `hidden beast` number, since 5 + 3 + 8 + 623 + 5 + 4 + 2 + 1 + 8 + 7 = 666.
It is not a de Polignac number, because 538623542187 - 27 = 538623542059 is a prime.
It is not an unprimeable number, because it can be changed into a prime (538623541187) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3742887 + ... + 3884127.
It is an arithmetic number, because the mean of its divisors is an integer number (66497204410).
Almost surely, 2538623542187 is an apocalyptic number.
538623542187 is a deficient number, since it is larger than the sum of its proper divisors (259342910733).
538623542187 is an frugal number, since it uses more digits than its factorization.
538623542187 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 282491 (or 141244 counting only the distinct ones).
The product of its digits is 9676800, while the sum is 54.
The spelling of 538623542187 in words is "five hundred thirty-eight billion, six hundred twenty-three million, five hundred forty-two thousand, one hundred eighty-seven".
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