Base | Representation |
---|---|
bin | 10000100011011… |
… | …00001000000001 |
3 | 100200021120010120 |
4 | 20101230020001 |
5 | 241021324123 |
6 | 21440050453 |
7 | 3304150551 |
oct | 1021541001 |
9 | 320246116 |
10 | 138854913 |
11 | 7141a82a |
12 | 3a603a29 |
13 | 229c9092 |
14 | 14627161 |
15 | c2cc2e3 |
hex | 846c201 |
138854913 has 8 divisors (see below), whose sum is σ = 187747776. Its totient is φ = 91266000.
The previous prime is 138854897. The next prime is 138854923. The reversal of 138854913 is 319458831.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 138854913 - 24 = 138854897 is a prime.
It is not an unprimeable number, because it can be changed into a prime (138854923) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325738 + ... + 326163.
It is an arithmetic number, because the mean of its divisors is an integer number (23468472).
Almost surely, 2138854913 is an apocalyptic number.
It is an amenable number.
138854913 is a deficient number, since it is larger than the sum of its proper divisors (48892863).
138854913 is an equidigital number, since it uses as much as digits as its factorization.
138854913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 651975.
The product of its digits is 103680, while the sum is 42.
The square root of 138854913 is about 11783.6714567235. The cubic root of 138854913 is about 517.8298524872.
The spelling of 138854913 in words is "one hundred thirty-eight million, eight hundred fifty-four thousand, nine hundred thirteen".
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