Base | Representation |
---|---|
bin | 111101001111110111… |
… | …1100001001110111011 |
3 | 110120111111010012011200 |
4 | 1322133233201032323 |
5 | 4123332414144430 |
6 | 140231300025243 |
7 | 12334261335105 |
oct | 1723757411673 |
9 | 416444105150 |
10 | 131529053115 |
11 | 508657a3399 |
12 | 215a8992223 |
13 | c5318c9aa5 |
14 | 651a5b2575 |
15 | 364c1eb460 |
hex | 1e9fbe13bb |
131529053115 has 48 divisors (see below), whose sum is σ = 232044639840. Its totient is φ = 68901327360.
The previous prime is 131529053113. The next prime is 131529053119. The reversal of 131529053115 is 511350925131.
131529053115 is a `hidden beast` number, since 1 + 31 + 5 + 2 + 90 + 531 + 1 + 5 = 666.
It is not a de Polignac number, because 131529053115 - 21 = 131529053113 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 131529053115.
It is not an unprimeable number, because it can be changed into a prime (131529053113) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3200095 + ... + 3240935.
It is an arithmetic number, because the mean of its divisors is an integer number (4834263330).
Almost surely, 2131529053115 is an apocalyptic number.
131529053115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
131529053115 is a deficient number, since it is larger than the sum of its proper divisors (100515586725).
131529053115 is a wasteful number, since it uses less digits than its factorization.
131529053115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42124 (or 42121 counting only the distinct ones).
The product of its (nonzero) digits is 20250, while the sum is 36.
Adding to 131529053115 its reverse (511350925131), we get a palindrome (642879978246).
The spelling of 131529053115 in words is "one hundred thirty-one billion, five hundred twenty-nine million, fifty-three thousand, one hundred fifteen".
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