Base | Representation |
---|---|
bin | 111100110001110100… |
… | …010010111110100000 |
3 | 20020110002202211212010 |
4 | 330301310102332200 |
5 | 2032123114132430 |
6 | 45551414432520 |
7 | 4500132262560 |
oct | 746164227640 |
9 | 206402684763 |
10 | 65260302240 |
11 | 25749814a91 |
12 | 10793662740 |
13 | 62004c7773 |
14 | 3231352da0 |
15 | 1a6e475cb0 |
hex | f31d12fa0 |
65260302240 has 192 divisors, whose sum is σ = 242516090880. Its totient is φ = 14435435520.
The previous prime is 65260302181. The next prime is 65260302241. The reversal of 65260302240 is 4220306256.
65260302240 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-2 number, since 2×652603022402 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 65260302198 and 65260302207.
It is not an unprimeable number, because it can be changed into a prime (65260302241) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209110 + ... + 417429.
It is an arithmetic number, because the mean of its divisors is an integer number (1263104640).
Almost surely, 265260302240 is an apocalyptic number.
65260302240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
65260302240 is an abundant number, since it is smaller than the sum of its proper divisors (177255788640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65260302240 is a wasteful number, since it uses less digits than its factorization.
65260302240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 626595 (or 626587 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 30.
Adding to 65260302240 its reverse (4220306256), we get a palindrome (69480608496).
The spelling of 65260302240 in words is "sixty-five billion, two hundred sixty million, three hundred two thousand, two hundred forty".
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