Base | Representation |
---|---|
bin | 111101010100100011… |
… | …1110001001011110101 |
3 | 110120220110012111011211 |
4 | 1322221013301023311 |
5 | 4124143204423403 |
6 | 140255040401421 |
7 | 12341211654403 |
oct | 1725107611365 |
9 | 416813174154 |
10 | 131686404853 |
11 | 509365a7053 |
12 | 21631616271 |
13 | c5583a1023 |
14 | 6533452473 |
15 | 365ae2e06d |
hex | 1ea91f12f5 |
131686404853 has 16 divisors (see below), whose sum is σ = 144554409216. Its totient is φ = 119460328960.
The previous prime is 131686404821. The next prime is 131686404859. The reversal of 131686404853 is 358404686131.
It is not a de Polignac number, because 131686404853 - 25 = 131686404821 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131686404797 and 131686404806.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131686404859) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1080301 + ... + 1196002.
It is an arithmetic number, because the mean of its divisors is an integer number (9034650576).
Almost surely, 2131686404853 is an apocalyptic number.
It is an amenable number.
131686404853 is a deficient number, since it is larger than the sum of its proper divisors (12868004363).
131686404853 is a wasteful number, since it uses less digits than its factorization.
131686404853 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2276444.
The product of its (nonzero) digits is 1658880, while the sum is 49.
The spelling of 131686404853 in words is "one hundred thirty-one billion, six hundred eighty-six million, four hundred four thousand, eight hundred fifty-three".
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