Base | Representation |
---|---|
bin | 100000001000100111… |
… | …0101000000000000000 |
3 | 20121010022201012111000 |
4 | 1000101032220000000 |
5 | 2112312140221024 |
6 | 51411352052000 |
7 | 4662044524632 |
oct | 1002116500000 |
9 | 217108635430 |
10 | 69008523264 |
11 | 272a256aa0a |
12 | 1145a994000 |
13 | 6679c02b25 |
14 | 34a9086a52 |
15 | 1bdd564cc9 |
hex | 10113a8000 |
69008523264 has 128 divisors (see below), whose sum is σ = 204469200000. Its totient is φ = 23002546176.
The previous prime is 69008523257. The next prime is 69008523293. The reversal of 69008523264 is 46232580096.
69008523264 is a `hidden beast` number, since 69 + 0 + 0 + 8 + 523 + 2 + 64 = 666.
It is a tau number, because it is divible by the number of its divisors (128).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845737 + ... + 923735.
It is an arithmetic number, because the mean of its divisors is an integer number (1597415625).
Almost surely, 269008523264 is an apocalyptic number.
69008523264 is a gapful number since it is divisible by the number (64) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69008523264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102234600000).
69008523264 is an abundant number, since it is smaller than the sum of its proper divisors (135460676736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69008523264 is an frugal number, since it uses more digits than its factorization.
69008523264 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78038 (or 78004 counting only the distinct ones).
The product of its (nonzero) digits is 622080, while the sum is 45.
The spelling of 69008523264 in words is "sixty-nine billion, eight million, five hundred twenty-three thousand, two hundred sixty-four".
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