Base | Representation |
---|---|
bin | 10010110111101110… |
… | …10111011001101010 |
3 | 222011001121000102101 |
4 | 21123313113121222 |
5 | 131222040100033 |
6 | 4353150124014 |
7 | 506026365256 |
oct | 113367273152 |
9 | 28131530371 |
10 | 10131175018 |
11 | 4329869818 |
12 | 1b68ab060a |
13 | c55c27a23 |
14 | 6c174b266 |
15 | 3e466e97d |
hex | 25bdd766a |
10131175018 has 12 divisors (see below), whose sum is σ = 15221544642. Its totient is φ = 5057340200.
The previous prime is 10131175013. The next prime is 10131175039. The reversal of 10131175018 is 81057113101.
It can be written as a sum of positive squares in only one way, i.e., 5157681489 + 4973493529 = 71817^2 + 70523^2 .
It is not an unprimeable number, because it can be changed into a prime (10131175013) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 831168 + ... + 843268.
Almost surely, 210131175018 is an apocalyptic number.
10131175018 is a deficient number, since it is larger than the sum of its proper divisors (5090369624).
10131175018 is an frugal number, since it uses more digits than its factorization.
10131175018 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13397 (or 12750 counting only the distinct ones).
The product of its (nonzero) digits is 840, while the sum is 28.
Adding to 10131175018 its reverse (81057113101), we get a palindrome (91188288119).
The spelling of 10131175018 in words is "ten billion, one hundred thirty-one million, one hundred seventy-five thousand, eighteen".
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