Base | Representation |
---|---|
bin | 10001001000111001… |
… | …00010001011010101 |
3 | 212202021001021011210 |
4 | 20210130202023111 |
5 | 122321024110024 |
6 | 4121013452033 |
7 | 444006363465 |
oct | 104434421325 |
9 | 25667037153 |
10 | 9201394389 |
11 | 39a1a46880 |
12 | 1949641019 |
13 | b38405185 |
14 | 63407bba5 |
15 | 38cc0e129 |
hex | 2247222d5 |
9201394389 has 16 divisors (see below), whose sum is σ = 13388765760. Its totient is φ = 5574552960.
The previous prime is 9201394351. The next prime is 9201394393. The reversal of 9201394389 is 9834931029.
9201394389 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 9201394389 - 232 = 4906427093 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9201394339) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42457 + ... + 142145.
It is an arithmetic number, because the mean of its divisors is an integer number (836797860).
Almost surely, 29201394389 is an apocalyptic number.
It is an amenable number.
9201394389 is a deficient number, since it is larger than the sum of its proper divisors (4187371371).
9201394389 is a wasteful number, since it uses less digits than its factorization.
9201394389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102500.
The product of its (nonzero) digits is 419904, while the sum is 48.
The square root of 9201394389 is about 95923.8989459874. The cubic root of 9201394389 is about 2095.4849623570.
The spelling of 9201394389 in words is "nine billion, two hundred one million, three hundred ninety-four thousand, three hundred eighty-nine".
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