Base | Representation |
---|---|
bin | 1111101001001… |
… | …01101010001111 |
3 | 100010220222120200 |
4 | 13310211222033 |
5 | 232043220010 |
6 | 21004344543 |
7 | 3152255556 |
oct | 764455217 |
9 | 303828520 |
10 | 131226255 |
11 | 6808a256 |
12 | 37b45153 |
13 | 21257994 |
14 | 135dcd9d |
15 | b7c1cc0 |
hex | 7d25a8f |
131226255 has 48 divisors (see below), whose sum is σ = 247203840. Its totient is φ = 64152000.
The previous prime is 131226253. The next prime is 131226283. The reversal of 131226255 is 552622131.
It is a happy number.
131226255 is a `hidden beast` number, since 1 + 31 + 2 + 2 + 625 + 5 = 666.
It is not a de Polignac number, because 131226255 - 21 = 131226253 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131226253) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24030 + ... + 28980.
It is an arithmetic number, because the mean of its divisors is an integer number (5150080).
Almost surely, 2131226255 is an apocalyptic number.
131226255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
131226255 is a deficient number, since it is larger than the sum of its proper divisors (115977585).
131226255 is a wasteful number, since it uses less digits than its factorization.
131226255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5012 (or 5009 counting only the distinct ones).
The product of its digits is 3600, while the sum is 27.
The square root of 131226255 is about 11455.4028737535. The cubic root of 131226255 is about 508.1675297889.
Adding to 131226255 its reverse (552622131), we get a palindrome (683848386).
The spelling of 131226255 in words is "one hundred thirty-one million, two hundred twenty-six thousand, two hundred fifty-five".
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