Base | Representation |
---|---|
bin | 1111010111011111… |
… | …10010011110000001 |
3 | 210021222002120012221 |
4 | 13223233302132001 |
5 | 113344013444140 |
6 | 3442353051041 |
7 | 411306015613 |
oct | 75357623601 |
9 | 23258076187 |
10 | 8250140545 |
11 | 3553a97779 |
12 | 1722b56a81 |
13 | a1630478a |
14 | 5839bcdb3 |
15 | 33445b14a |
hex | 1ebbf2781 |
8250140545 has 16 divisors (see below), whose sum is σ = 10844001360. Its totient is φ = 5997666304.
The previous prime is 8250140539. The next prime is 8250140597. The reversal of 8250140545 is 5450410528.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 1507924224 + 6742216321 = 38832^2 + 82111^2 .
It is a cyclic number.
It is not a de Polignac number, because 8250140545 - 29 = 8250140033 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 8250140545.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1670992 + ... + 1675921.
It is an arithmetic number, because the mean of its divisors is an integer number (677750085).
Almost surely, 28250140545 is an apocalyptic number.
8250140545 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
It is an amenable number.
8250140545 is a deficient number, since it is larger than the sum of its proper divisors (2593860815).
8250140545 is a wasteful number, since it uses less digits than its factorization.
8250140545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3346964.
The product of its (nonzero) digits is 32000, while the sum is 34.
The square root of 8250140545 is about 90830.2842943916. The cubic root of 8250140545 is about 2020.6314845102.
The spelling of 8250140545 in words is "eight billion, two hundred fifty million, one hundred forty thousand, five hundred forty-five".
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