Base | Representation |
---|---|
bin | 1111100111011… |
… | …11011111000101 |
3 | 100010111201012020 |
4 | 13303233133011 |
5 | 232014114412 |
6 | 20555513353 |
7 | 3150342621 |
oct | 763573705 |
9 | 303451166 |
10 | 131004357 |
11 | 67a48570 |
12 | 37a58859 |
13 | 211aa993 |
14 | 13582181 |
15 | b77b18c |
hex | 7cef7c5 |
131004357 has 32 divisors (see below), whose sum is σ = 199311360. Its totient is φ = 75816000.
The previous prime is 131004337. The next prime is 131004421. The reversal of 131004357 is 753400131.
It is not a de Polignac number, because 131004357 - 214 = 130987973 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131004337) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80007 + ... + 81627.
It is an arithmetic number, because the mean of its divisors is an integer number (6228480).
Almost surely, 2131004357 is an apocalyptic number.
It is an amenable number.
131004357 is a deficient number, since it is larger than the sum of its proper divisors (68307003).
131004357 is a wasteful number, since it uses less digits than its factorization.
131004357 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1745.
The product of its (nonzero) digits is 1260, while the sum is 24.
The square root of 131004357 is about 11445.7134771057. The cubic root of 131004357 is about 507.8809383176.
Adding to 131004357 its reverse (753400131), we get a palindrome (884404488).
The spelling of 131004357 in words is "one hundred thirty-one million, four thousand, three hundred fifty-seven".
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