Base | Representation |
---|---|
bin | 100000001111011010… |
… | …0111110100110110000 |
3 | 20121201020000211020120 |
4 | 1000132310332212300 |
5 | 2113244042244021 |
6 | 51450142210240 |
7 | 5000515036140 |
oct | 1003664764660 |
9 | 217636024216 |
10 | 69236681136 |
11 | 273aa335337 |
12 | 11503283980 |
13 | 66b526879c |
14 | 34cb4b8920 |
15 | 1c035d22c6 |
hex | 101ed3e9b0 |
69236681136 has 80 divisors (see below), whose sum is σ = 204823200000. Its totient is φ = 19742217984.
The previous prime is 69236681119. The next prime is 69236681141. The reversal of 69236681136 is 63118663296.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38811 + ... + 374138.
It is an arithmetic number, because the mean of its divisors is an integer number (2560290000).
Almost surely, 269236681136 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 69236681136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102411600000).
69236681136 is an abundant number, since it is smaller than the sum of its proper divisors (135586518864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69236681136 is a wasteful number, since it uses less digits than its factorization.
69236681136 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 413466 (or 413460 counting only the distinct ones).
The product of its digits is 1679616, while the sum is 51.
The spelling of 69236681136 in words is "sixty-nine billion, two hundred thirty-six million, six hundred eighty-one thousand, one hundred thirty-six".
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