Base | Representation |
---|---|
bin | 100000001011110100… |
… | …0001011001010101001 |
3 | 20121101210201201000000 |
4 | 1000113220023022221 |
5 | 2113022131243301 |
6 | 51430145133213 |
7 | 4664520215400 |
oct | 1002750131251 |
9 | 217353651000 |
10 | 69115884201 |
11 | 27348129861 |
12 | 1148a92a209 |
13 | 6696222c00 |
14 | 34b9432637 |
15 | 1be7bc0786 |
hex | 1017a0b2a9 |
69115884201 has 189 divisors, whose sum is σ = 131762316231. Its totient is φ = 36116013024.
The previous prime is 69115884191. The next prime is 69115884217. The reversal of 69115884201 is 10248851196.
It is a happy number.
The square root of 69115884201 is 262899.
It is a perfect power (a square), and thus also a powerful number.
69115884201 is a `hidden beast` number, since 69 + 1 + 1 + 588 + 4 + 2 + 0 + 1 = 666.
It can be written as a sum of positive squares in only one way, i.e., 10224243225 + 58891640976 = 101115^2 + 242676^2 .
It is a tau number, because it is divible by the number of its divisors (189).
It is not a de Polignac number, because 69115884201 - 213 = 69115876009 is a prime.
It is not an unprimeable number, because it can be changed into a prime (69115884001) by changing a digit.
It is a polite number, since it can be written in 188 ways as a sum of consecutive naturals, for example, 645942790 + ... + 645942896.
Almost surely, 269115884201 is an apocalyptic number.
69115884201 is the 262899-th square number.
69115884201 is the 131450-th centered octagonal number.
It is an amenable number.
69115884201 is a deficient number, since it is larger than the sum of its proper divisors (62646432030).
69115884201 is an equidigital number, since it uses as much as digits as its factorization.
69115884201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 272 (or 130 counting only the distinct ones).
The product of its (nonzero) digits is 138240, while the sum is 45.
The spelling of 69115884201 in words is "sixty-nine billion, one hundred fifteen million, eight hundred eighty-four thousand, two hundred one".
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