Base | Representation |
---|---|
bin | 11010011101001110011… |
… | …010011000110010011011 |
3 | 20102210210120220001012221 |
4 | 122131032122120302123 |
5 | 214241420144100311 |
6 | 3511114551444511 |
7 | 245231612010220 |
oct | 32351632306233 |
9 | 6383716801187 |
10 | 1818086706331 |
11 | 641056603875 |
12 | 254435686737 |
13 | 1025a24134bc |
14 | 63dd2929947 |
15 | 3245c83c671 |
hex | 1a74e698c9b |
1818086706331 has 16 divisors (see below), whose sum is σ = 2230175208384. Its totient is φ = 1446600121344.
The previous prime is 1818086706329. The next prime is 1818086706343. The reversal of 1818086706331 is 1336076808181.
It is not a de Polignac number, because 1818086706331 - 21 = 1818086706329 is a prime.
It is a super-2 number, since 2×18180867063312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1818086706391) 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, 104635420 + ... + 104652793.
It is an arithmetic number, because the mean of its divisors is an integer number (139385950524).
Almost surely, 21818086706331 is an apocalyptic number.
1818086706331 is a deficient number, since it is larger than the sum of its proper divisors (412088502053).
1818086706331 is a wasteful number, since it uses less digits than its factorization.
1818086706331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 209288310.
The product of its (nonzero) digits is 1161216, while the sum is 52.
The spelling of 1818086706331 in words is "one trillion, eight hundred eighteen billion, eighty-six million, seven hundred six thousand, three hundred thirty-one".
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