Base | Representation |
---|---|
bin | 1110100100100110111… |
… | …1101001010110111001 |
3 | 212221011222220102222011 |
4 | 3221021233221112321 |
5 | 13100201401030410 |
6 | 311001305125521 |
7 | 24041535124033 |
oct | 3511157512671 |
9 | 787158812864 |
10 | 250345330105 |
11 | 97197459932 |
12 | 406281898a1 |
13 | 1a7b879b630 |
14 | c18c624c53 |
15 | 67a32ce18a |
hex | 3a49be95b9 |
250345330105 has 16 divisors (see below), whose sum is σ = 328826859984. Its totient is φ = 181839732480.
The previous prime is 250345330073. The next prime is 250345330121. The reversal of 250345330105 is 501033543052.
It can be written as a sum of positive squares in 8 ways, for example, as 99643760896 + 150701569209 = 315664^2 + 388203^2 .
It is not a de Polignac number, because 250345330105 - 25 = 250345330073 is a prime.
It is a super-2 number, since 2×2503453301052 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
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, 31565434 + ... + 31573363.
It is an arithmetic number, because the mean of its divisors is an integer number (20551678749).
Almost surely, 2250345330105 is an apocalyptic number.
It is an amenable number.
250345330105 is a deficient number, since it is larger than the sum of its proper divisors (78481529879).
250345330105 is a wasteful number, since it uses less digits than its factorization.
250345330105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63138876.
The product of its (nonzero) digits is 27000, while the sum is 31.
Adding to 250345330105 its reverse (501033543052), we get a palindrome (751378873157).
The spelling of 250345330105 in words is "two hundred fifty billion, three hundred forty-five million, three hundred thirty thousand, one hundred five".
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