Base | Representation |
---|---|
bin | 10010110111101111… |
… | …00010011011110010 |
3 | 222011001200022102011 |
4 | 21123313202123302 |
5 | 131222043021320 |
6 | 4353151113134 |
7 | 506026644106 |
oct | 113367423362 |
9 | 28131608364 |
10 | 10131220210 |
11 | 432989a771 |
12 | 1b68b127aa |
13 | c55c42477 |
14 | 6c175d906 |
15 | 3e467d05a |
hex | 25bde26f2 |
10131220210 has 32 divisors (see below), whose sum is σ = 19340408880. Its totient is φ = 3807885312.
The previous prime is 10131220139. The next prime is 10131220237. The reversal of 10131220210 is 1202213101.
It can be written as a sum of positive squares in 8 ways, for example, as 717757681 + 9413462529 = 26791^2 + 97023^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56596 + ... + 153184.
Almost surely, 210131220210 is an apocalyptic number.
10131220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10131220210 is a deficient number, since it is larger than the sum of its proper divisors (9209188670).
10131220210 is a wasteful number, since it uses less digits than its factorization.
10131220210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97230.
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 10131220210 its reverse (1202213101), we get a palindrome (11333433311).
The spelling of 10131220210 in words is "ten billion, one hundred thirty-one million, two hundred twenty thousand, two hundred ten".
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