Base | Representation |
---|---|
bin | 1110011110111110000… |
… | …0100100011101110001 |
3 | 212210021111020021100001 |
4 | 3213233200210131301 |
5 | 13034101321202330 |
6 | 310151145030001 |
7 | 23656163146444 |
oct | 3475740443561 |
9 | 783244207301 |
10 | 248831428465 |
11 | 9658a944154 |
12 | 40285185301 |
13 | 1a606c4c949 |
14 | c08754365b |
15 | 671543a9ca |
hex | 39ef824771 |
248831428465 has 32 divisors (see below), whose sum is σ = 313291994400. Its totient is φ = 189467228160.
The previous prime is 248831428451. The next prime is 248831428513. The reversal of 248831428465 is 564824138842.
It is a happy number.
It can be written as a sum of positive squares in 16 ways, for example, as 8460872289 + 240370556176 = 91983^2 + 490276^2 .
It is not a de Polignac number, because 248831428465 - 29 = 248831427953 is a prime.
It is a super-3 number, since 3×2488314284653 (a number of 35 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24435675 + ... + 24445855.
It is an arithmetic number, because the mean of its divisors is an integer number (9790374825).
Almost surely, 2248831428465 is an apocalyptic number.
It is an amenable number.
248831428465 is a deficient number, since it is larger than the sum of its proper divisors (64460565935).
248831428465 is a wasteful number, since it uses less digits than its factorization.
248831428465 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12597.
The product of its digits is 11796480, while the sum is 55.
The spelling of 248831428465 in words is "two hundred forty-eight billion, eight hundred thirty-one million, four hundred twenty-eight thousand, four hundred sixty-five".
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