Base | Representation |
---|---|
bin | 111101000010010001… |
… | …0110100100010010111 |
3 | 110112022200111001112122 |
4 | 1322010202310202113 |
5 | 4121414110130404 |
6 | 140114115410155 |
7 | 12320050621463 |
oct | 1720442644227 |
9 | 415280431478 |
10 | 131072739479 |
11 | 50651165190 |
12 | 2149bbb395b |
13 | c48b1cc416 |
14 | 64b5b4d4a3 |
15 | 36221123be |
hex | 1e848b4897 |
131072739479 has 16 divisors (see below), whose sum is σ = 144892800000. Its totient is φ = 117572039520.
The previous prime is 131072739451. The next prime is 131072739509. The reversal of 131072739479 is 974937270131.
It is a cyclic number.
It is not a de Polignac number, because 131072739479 - 216 = 131072673943 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 131072739479.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131072739379) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1306397 + ... + 1403145.
It is an arithmetic number, because the mean of its divisors is an integer number (9055800000).
Almost surely, 2131072739479 is an apocalyptic number.
131072739479 is a deficient number, since it is larger than the sum of its proper divisors (13820060521).
131072739479 is a wasteful number, since it uses less digits than its factorization.
131072739479 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98398.
The product of its (nonzero) digits is 2000376, while the sum is 53.
The spelling of 131072739479 in words is "one hundred thirty-one billion, seventy-two million, seven hundred thirty-nine thousand, four hundred seventy-nine".
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