Base | Representation |
---|---|
bin | 10000011101010… |
… | …00111011110101 |
3 | 100121202221102110 |
4 | 20032220323311 |
5 | 240320233123 |
6 | 21411001233 |
7 | 3264310626 |
oct | 1016507365 |
9 | 317687373 |
10 | 138055413 |
11 | 70a24091 |
12 | 3a299219 |
13 | 227a91c2 |
14 | 14499a4d |
15 | c1c0493 |
hex | 83a8ef5 |
138055413 has 8 divisors (see below), whose sum is σ = 188354848. Its totient is φ = 89896464.
The previous prime is 138055391. The next prime is 138055417. The reversal of 138055413 is 314550831.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 138055413 - 28 = 138055157 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (138055417) 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, 534970 + ... + 535227.
It is an arithmetic number, because the mean of its divisors is an integer number (23544356).
Almost surely, 2138055413 is an apocalyptic number.
It is an amenable number.
138055413 is a deficient number, since it is larger than the sum of its proper divisors (50299435).
138055413 is a wasteful number, since it uses less digits than its factorization.
138055413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1070243.
The product of its (nonzero) digits is 7200, while the sum is 30.
The square root of 138055413 is about 11749.6984216617. The cubic root of 138055413 is about 516.8340838423.
The spelling of 138055413 in words is "one hundred thirty-eight million, fifty-five thousand, four hundred thirteen".
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