Base | Representation |
---|---|
bin | 10010101011110100… |
… | …00100100110001101 |
3 | 221220002111211110122 |
4 | 21111322010212031 |
5 | 131020443034013 |
6 | 4335215514325 |
7 | 503403654443 |
oct | 112572044615 |
9 | 27802454418 |
10 | 10031221133 |
11 | 42883a99aa |
12 | 1b3b5289a5 |
13 | c3b2cc20b |
14 | 6b236cb93 |
15 | 3da9c8a08 |
hex | 255e8498d |
10031221133 has 16 divisors (see below), whose sum is σ = 10929124800. Its totient is φ = 9170663040.
The previous prime is 10031221099. The next prime is 10031221141. The reversal of 10031221133 is 33112213001.
It is not a de Polignac number, because 10031221133 - 214 = 10031204749 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10031221153) 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, 1390985 + ... + 1398177.
It is an arithmetic number, because the mean of its divisors is an integer number (683070300).
Almost surely, 210031221133 is an apocalyptic number.
It is an amenable number.
10031221133 is a deficient number, since it is larger than the sum of its proper divisors (897903667).
10031221133 is a wasteful number, since it uses less digits than its factorization.
10031221133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9772.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 10031221133 its reverse (33112213001), we get a palindrome (43143434134).
The spelling of 10031221133 in words is "ten billion, thirty-one million, two hundred twenty-one thousand, one hundred thirty-three".
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