Base | Representation |
---|---|
bin | 111011101110011101… |
… | …011111101000111101 |
3 | 20010112100101022102112 |
4 | 323232131133220331 |
5 | 2022314321020300 |
6 | 45243325503405 |
7 | 4430131066520 |
oct | 735635375075 |
9 | 203470338375 |
10 | 64130251325 |
11 | 25219945008 |
12 | 10519111b65 |
13 | 608035489a |
14 | 3165230bb7 |
15 | 1a05155e35 |
hex | eee75fa3d |
64130251325 has 24 divisors (see below), whose sum is σ = 96227716032. Its totient is φ = 41388261120.
The previous prime is 64130251271. The next prime is 64130251349. The reversal of 64130251325 is 52315203146.
It is a happy number.
It is not a de Polignac number, because 64130251325 - 218 = 64129989181 is a prime.
It is a super-2 number, since 2×641302513252 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 64130251291 and 64130251300.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10775219 + ... + 10781168.
It is an arithmetic number, because the mean of its divisors is an integer number (4009488168).
Almost surely, 264130251325 is an apocalyptic number.
It is an amenable number.
64130251325 is a deficient number, since it is larger than the sum of its proper divisors (32097464707).
64130251325 is a wasteful number, since it uses less digits than its factorization.
64130251325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21556421 (or 21556416 counting only the distinct ones).
The product of its (nonzero) digits is 21600, while the sum is 32.
The spelling of 64130251325 in words is "sixty-four billion, one hundred thirty million, two hundred fifty-one thousand, three hundred twenty-five".
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