Base | Representation |
---|---|
bin | 11101111000101111010001… |
… | …110001011011000011101011 |
3 | 122020101202211002202210022201 |
4 | 131320233101301123003223 |
5 | 114212023020302203030 |
6 | 1143315450120001031 |
7 | 36454254202466125 |
oct | 3570572161330353 |
9 | 566352732683281 |
10 | 131442403553515 |
11 | 3897745712291a |
12 | 128aa503000177 |
13 | 5845c721a2812 |
14 | 2465bbc27c215 |
15 | 102e1ba2192ca |
hex | 778bd1c5b0eb |
131442403553515 has 8 divisors (see below), whose sum is σ = 157731783307200. Its totient is φ = 105153323480832.
The previous prime is 131442403553441. The next prime is 131442403553533. The reversal of 131442403553515 is 515355304244131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131442403553515 - 211 = 131442403551467 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73954179 + ... + 75710668.
It is an arithmetic number, because the mean of its divisors is an integer number (19716472913400).
Almost surely, 2131442403553515 is an apocalyptic number.
131442403553515 is a deficient number, since it is larger than the sum of its proper divisors (26289379753685).
131442403553515 is a wasteful number, since it uses less digits than its factorization.
131442403553515 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 149840501.
The product of its (nonzero) digits is 2160000, while the sum is 46.
Adding to 131442403553515 its reverse (515355304244131), we get a palindrome (646797707797646).
The spelling of 131442403553515 in words is "one hundred thirty-one trillion, four hundred forty-two billion, four hundred three million, five hundred fifty-three thousand, five hundred fifteen".
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