Base | Representation |
---|---|
bin | 100000001011100000… |
… | …1011010011000100000 |
3 | 20121101002121110022222 |
4 | 1000113001122120200 |
5 | 2113012031113122 |
6 | 51425143250212 |
7 | 4664334644552 |
oct | 1002701323040 |
9 | 217332543288 |
10 | 69105722912 |
11 | 273424194a6 |
12 | 11487449968 |
13 | 66940a5b05 |
14 | 34b7d494d2 |
15 | 1be6d64b42 |
hex | 101705a620 |
69105722912 has 18 divisors (see below), whose sum is σ = 136054819719. Its totient is φ = 34552117920.
The previous prime is 69105722899. The next prime is 69105722953. The reversal of 69105722912 is 21922750196.
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.
It can be written as a sum of positive squares in only one way, i.e., 34552861456 + 34552861456 = 185884^2 + 185884^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=185884.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1463837 + ... + 1510307.
Almost surely, 269105722912 is an apocalyptic number.
It is an amenable number.
69105722912 is a deficient number, since it is larger than the sum of its proper divisors (66949096807).
69105722912 is an frugal number, since it uses more digits than its factorization.
69105722912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92952 (or 46473 counting only the distinct ones).
The product of its (nonzero) digits is 136080, while the sum is 44.
The spelling of 69105722912 in words is "sixty-nine billion, one hundred five million, seven hundred twenty-two thousand, nine hundred twelve".
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