Base | Representation |
---|---|
bin | 1111101010110… |
… | …10001000100100 |
3 | 100011022220102011 |
4 | 13311122020210 |
5 | 232122104223 |
6 | 21013124004 |
7 | 3154142314 |
oct | 765321044 |
9 | 304286364 |
10 | 131441188 |
11 | 6821678a |
12 | 38029604 |
13 | 21301768 |
14 | 13657444 |
15 | b81580d |
hex | 7d5a224 |
131441188 has 6 divisors (see below), whose sum is σ = 230022086. Its totient is φ = 65720592.
The previous prime is 131441117. The next prime is 131441243. The reversal of 131441188 is 881144131.
It can be written as a sum of positive squares in only one way, i.e., 105308644 + 26132544 = 10262^2 + 5112^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16430145 + ... + 16430152.
Almost surely, 2131441188 is an apocalyptic number.
It is an amenable number.
131441188 is a deficient number, since it is larger than the sum of its proper divisors (98580898).
131441188 is a wasteful number, since it uses less digits than its factorization.
131441188 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32860301 (or 32860299 counting only the distinct ones).
The product of its digits is 3072, while the sum is 31.
The square root of 131441188 is about 11464.7803293391. The cubic root of 131441188 is about 508.4448177829. Note that the first 3 decimals are identical.
The spelling of 131441188 in words is "one hundred thirty-one million, four hundred forty-one thousand, one hundred eighty-eight".
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