Base | Representation |
---|---|
bin | 111101011001100001… |
… | …1011001010011110101 |
3 | 110121100001201221210110 |
4 | 1322303003121103311 |
5 | 4130013333440040 |
6 | 140323352013233 |
7 | 12345304161030 |
oct | 1726303312365 |
9 | 417301657713 |
10 | 131853030645 |
11 | 50a11664516 |
12 | 21679391219 |
13 | c583a7157b |
14 | 654b628017 |
15 | 366a894980 |
hex | 1eb30d94f5 |
131853030645 has 16 divisors (see below), whose sum is σ = 241102684800. Its totient is φ = 60275671104.
The previous prime is 131853030637. The next prime is 131853030689. The reversal of 131853030645 is 546030358131.
It is not a de Polignac number, because 131853030645 - 23 = 131853030637 is a prime.
It is a congruent 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, 627871470 + ... + 627871679.
It is an arithmetic number, because the mean of its divisors is an integer number (15068917800).
Almost surely, 2131853030645 is an apocalyptic number.
131853030645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
131853030645 is a deficient number, since it is larger than the sum of its proper divisors (109249654155).
131853030645 is a wasteful number, since it uses less digits than its factorization.
131853030645 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1255743164.
The product of its (nonzero) digits is 129600, while the sum is 39.
Adding to 131853030645 its reverse (546030358131), we get a palindrome (677883388776).
The spelling of 131853030645 in words is "one hundred thirty-one billion, eight hundred fifty-three million, thirty thousand, six hundred forty-five".
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