Base | Representation |
---|---|
bin | 1110010001001001010… |
… | …0001111001110110110 |
3 | 212102200212100001212121 |
4 | 3210102110033032312 |
5 | 13004001312243110 |
6 | 304335021310154 |
7 | 23465212200106 |
oct | 3442224171666 |
9 | 772625301777 |
10 | 245120431030 |
11 | 94a56102922 |
12 | 3b60a40535a |
13 | 1a165178487 |
14 | bc1473d206 |
15 | 6599750cda |
hex | 391250f3b6 |
245120431030 has 32 divisors (see below), whose sum is σ = 445981723200. Its totient is φ = 96991352832.
The previous prime is 245120431013. The next prime is 245120431033. The reversal of 245120431030 is 30134021542.
245120431030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×2451204310303 (a number of 35 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 245120430986 and 245120431004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245120431033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 828786 + ... + 1084954.
It is an arithmetic number, because the mean of its divisors is an integer number (13936928850).
Almost surely, 2245120431030 is an apocalyptic number.
245120431030 is a deficient number, since it is larger than the sum of its proper divisors (200861292170).
245120431030 is a wasteful number, since it uses less digits than its factorization.
245120431030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 257208.
The product of its (nonzero) digits is 2880, while the sum is 25.
Adding to 245120431030 its reverse (30134021542), we get a palindrome (275254452572).
The spelling of 245120431030 in words is "two hundred forty-five billion, one hundred twenty million, four hundred thirty-one thousand, thirty".
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