Base | Representation |
---|---|
bin | 1111001010001001… |
… | …00101001000001111 |
3 | 210000011100212122100 |
4 | 13211010211020033 |
5 | 113131331303130 |
6 | 3423312450143 |
7 | 405446065023 |
oct | 74504451017 |
9 | 23004325570 |
10 | 8138150415 |
11 | 34a685694a |
12 | 16b1549953 |
13 | 9c9053625 |
14 | 572b8a383 |
15 | 3296d8c60 |
hex | 1e512520f |
8138150415 has 24 divisors (see below), whose sum is σ = 14276087280. Its totient is φ = 4288051584.
The previous prime is 8138150413. The next prime is 8138150497. The reversal of 8138150415 is 5140518318.
8138150415 is a `hidden beast` number, since 8 + 138 + 1 + 504 + 15 = 666.
It is not a de Polignac number, because 8138150415 - 21 = 8138150413 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 8138150415.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8138150413) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1085710 + ... + 1093179.
It is an arithmetic number, because the mean of its divisors is an integer number (594836970).
Almost surely, 28138150415 is an apocalyptic number.
8138150415 is a deficient number, since it is larger than the sum of its proper divisors (6137936865).
8138150415 is a wasteful number, since it uses less digits than its factorization.
8138150415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2178983 (or 2178980 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 36.
The square root of 8138150415 is about 90211.6977725173. The cubic root of 8138150415 is about 2011.4468939015.
The spelling of 8138150415 in words is "eight billion, one hundred thirty-eight million, one hundred fifty thousand, four hundred fifteen".
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