Base | Representation |
---|---|
bin | 111101001101010010… |
… | …1100010111010111001 |
3 | 110120021110100111122101 |
4 | 1322122211202322321 |
5 | 4123143243140010 |
6 | 140214530023401 |
7 | 12332161155535 |
oct | 1723245427271 |
9 | 416243314571 |
10 | 131442552505 |
11 | 50820992190 |
12 | 21583a17b61 |
13 | c519a018b4 |
14 | 650ccd6bc5 |
15 | 364481173a |
hex | 1e9a962eb9 |
131442552505 has 16 divisors (see below), whose sum is σ = 172446804864. Its totient is φ = 95385386880.
The previous prime is 131442552481. The next prime is 131442552529. The reversal of 131442552505 is 505255244131.
It is an interprime number because it is at equal distance from previous prime (131442552481) and next prime (131442552529).
It is not a de Polignac number, because 131442552505 - 27 = 131442552377 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2589597 + ... + 2639866.
It is an arithmetic number, because the mean of its divisors is an integer number (10777925304).
Almost surely, 2131442552505 is an apocalyptic number.
It is an amenable number.
131442552505 is a deficient number, since it is larger than the sum of its proper divisors (41004252359).
131442552505 is a wasteful number, since it uses less digits than its factorization.
131442552505 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5229936.
The product of its (nonzero) digits is 120000, while the sum is 37.
Adding to 131442552505 its reverse (505255244131), we get a palindrome (636697796636).
The spelling of 131442552505 in words is "one hundred thirty-one billion, four hundred forty-two million, five hundred fifty-two thousand, five hundred five".
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