Base | Representation |
---|---|
bin | 1111001011001000… |
… | …11111010011001001 |
3 | 210000202002211220011 |
4 | 13211210133103021 |
5 | 113141001441040 |
6 | 3424212031521 |
7 | 405610144006 |
oct | 74544372311 |
9 | 23022084804 |
10 | 8146515145 |
11 | 350054a44a |
12 | 16b43025a1 |
13 | 9ca9c1a82 |
14 | 573d268ad |
15 | 32a2dc3ea |
hex | 1e591f4c9 |
8146515145 has 24 divisors (see below), whose sum is σ = 10576137600. Its totient is φ = 6007234752.
The previous prime is 8146515137. The next prime is 8146515161. The reversal of 8146515145 is 5415156418.
It is not a de Polignac number, because 8146515145 - 23 = 8146515137 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 8146515098 and 8146515107.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98736 + ... + 161374.
It is an arithmetic number, because the mean of its divisors is an integer number (440672400).
Almost surely, 28146515145 is an apocalyptic number.
It is an amenable number.
8146515145 is a deficient number, since it is larger than the sum of its proper divisors (2429622455).
8146515145 is a wasteful number, since it uses less digits than its factorization.
8146515145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62737 (or 62700 counting only the distinct ones).
The product of its digits is 96000, while the sum is 40.
The square root of 8146515145 is about 90258.0475359400. The cubic root of 8146515145 is about 2012.1358075595.
The spelling of 8146515145 in words is "eight billion, one hundred forty-six million, five hundred fifteen thousand, one hundred forty-five".
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