Base | Representation |
---|---|
bin | 111101000000011111… |
… | …1000000110101010010 |
3 | 110112011112010001012111 |
4 | 1322000333000311102 |
5 | 4121303313133020 |
6 | 140104143415534 |
7 | 12315424206244 |
oct | 1720077006522 |
9 | 415145101174 |
10 | 131013021010 |
11 | 50620486883 |
12 | 21483bb45aa |
13 | c47ba20651 |
14 | 64abc46094 |
15 | 361bc67d5a |
hex | 1e80fc0d52 |
131013021010 has 16 divisors (see below), whose sum is σ = 235855834200. Its totient is φ = 52398009216.
The previous prime is 131013020993. The next prime is 131013021019. The reversal of 131013021010 is 10120310131.
It can be written as a sum of positive squares in 4 ways, for example, as 123370240081 + 7642780929 = 351241^2 + 87423^2 .
It is not an unprimeable number, because it can be changed into a prime (131013021019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 823155 + ... + 969334.
Almost surely, 2131013021010 is an apocalyptic number.
131013021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131013021010 is a deficient number, since it is larger than the sum of its proper divisors (104842813190).
131013021010 is a wasteful number, since it uses less digits than its factorization.
131013021010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1799805.
The product of its (nonzero) digits is 18, while the sum is 13.
Adding to 131013021010 its reverse (10120310131), we get a palindrome (141133331141).
The spelling of 131013021010 in words is "one hundred thirty-one billion, thirteen million, twenty-one thousand, ten".
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