Base | Representation |
---|---|
bin | 101001010010011… |
… | …0011100010101100 |
3 | 10120112211121002211 |
4 | 1102210303202230 |
5 | 10314124130022 |
6 | 345245300204 |
7 | 46221351532 |
oct | 12244634254 |
9 | 3515747084 |
10 | 1385380012 |
11 | 651013565 |
12 | 327b64664 |
13 | 1910300b3 |
14 | d1dc8152 |
15 | 81957e77 |
hex | 529338ac |
1385380012 has 6 divisors (see below), whose sum is σ = 2424415028. Its totient is φ = 692690004.
The previous prime is 1385380001. The next prime is 1385380019. The reversal of 1385380012 is 2100835831.
It is not an unprimeable number, because it can be changed into a prime (1385380019) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173172498 + ... + 173172505.
Almost surely, 21385380012 is an apocalyptic number.
It is an amenable number.
1385380012 is a deficient number, since it is larger than the sum of its proper divisors (1039035016).
1385380012 is a wasteful number, since it uses less digits than its factorization.
1385380012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 346345007 (or 346345005 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 31.
The square root of 1385380012 is about 37220.6933304580. The cubic root of 1385380012 is about 1114.7812079834.
The spelling of 1385380012 in words is "one billion, three hundred eighty-five million, three hundred eighty thousand, twelve".
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