Base | Representation |
---|---|
bin | 110111111110111111… |
… | …0111100010010101101 |
3 | 102111022201000121212120 |
4 | 1233331332330102231 |
5 | 3432210131040100 |
6 | 131121500223153 |
7 | 11454202533210 |
oct | 1577576742255 |
9 | 374281017776 |
10 | 120225252525 |
11 | 46a95025734 |
12 | 1b37323aab9 |
13 | b44ca737a1 |
14 | 5b6721d777 |
15 | 31d9b4c0a0 |
hex | 1bfdfbc4ad |
120225252525 has 24 divisors (see below), whose sum is σ = 227168478144. Its totient is φ = 54960115200.
The previous prime is 120225252517. The next prime is 120225252547. The reversal of 120225252525 is 525252522021.
It is not a de Polignac number, because 120225252525 - 23 = 120225252517 is a prime.
It is a super-2 number, since 2×1202252525252 (a number of 23 digits) contains 22 as substring.
120225252525 is a modest number, since divided by 252525 gives 120225 as remainder.
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, 114499716 + ... + 114500765.
It is an arithmetic number, because the mean of its divisors is an integer number (9465353256).
Almost surely, 2120225252525 is an apocalyptic number.
120225252525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
120225252525 is a deficient number, since it is larger than the sum of its proper divisors (106943225619).
120225252525 is a wasteful number, since it uses less digits than its factorization.
120225252525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 229000501 (or 229000496 counting only the distinct ones).
The product of its (nonzero) digits is 40000, while the sum is 33.
Adding to 120225252525 its reverse (525252522021), we get a palindrome (645477774546).
The spelling of 120225252525 in words is "one hundred twenty billion, two hundred twenty-five million, two hundred fifty-two thousand, five hundred twenty-five".
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