Base | Representation |
---|---|
bin | 11101110111010011111101… |
… | …011010100100011111001001 |
3 | 122020001101201200120000110212 |
4 | 131313103331122210133021 |
5 | 114203421212441400041 |
6 | 1143202432340250505 |
7 | 36444213321054320 |
oct | 3567237532443711 |
9 | 566041650500425 |
10 | 131344351512521 |
11 | 3893991031a1a4 |
12 | 128934b96a0a35 |
13 | 5839947119054 |
14 | 2461159c0b0b7 |
15 | 102b87c0128eb |
hex | 7774fd6a47c9 |
131344351512521 has 16 divisors (see below), whose sum is σ = 153484324288128. Its totient is φ = 110063620867200.
The previous prime is 131344351512421. The next prime is 131344351512523. The reversal of 131344351512521 is 125215153443131.
It is a de Polignac number, because none of the positive numbers 2k-131344351512521 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131344351512523) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 629838635 + ... + 630047136.
It is an arithmetic number, because the mean of its divisors is an integer number (9592770268008).
Almost surely, 2131344351512521 is an apocalyptic number.
It is an amenable number.
131344351512521 is a deficient number, since it is larger than the sum of its proper divisors (22139972775607).
131344351512521 is a wasteful number, since it uses less digits than its factorization.
131344351512521 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1259886112.
The product of its digits is 216000, while the sum is 41.
The spelling of 131344351512521 in words is "one hundred thirty-one trillion, three hundred forty-four billion, three hundred fifty-one million, five hundred twelve thousand, five hundred twenty-one".
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