Base | Representation |
---|---|
bin | 10010110110011100… |
… | …11011100001111111 |
3 | 222010022101211021102 |
4 | 21123032123201333 |
5 | 131211313202111 |
6 | 4352124123315 |
7 | 505536232505 |
oct | 113316334177 |
9 | 28108354242 |
10 | 10120444031 |
11 | 43237aa435 |
12 | 1b6539653b |
13 | c5393b529 |
14 | 6c0156675 |
15 | 3e375013b |
hex | 25b39b87f |
10120444031 has 12 divisors (see below), whose sum is σ = 10715378112. Its totient is φ = 9557050464.
The previous prime is 10120444027. The next prime is 10120444051. The reversal of 10120444031 is 13044402101.
It is not a de Polignac number, because 10120444031 - 22 = 10120444027 is a prime.
It is a super-2 number, since 2×101204440312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10120443994 and 10120444012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10120444051) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68210 + ... + 157776.
It is an arithmetic number, because the mean of its divisors is an integer number (892948176).
Almost surely, 210120444031 is an apocalyptic number.
10120444031 is a deficient number, since it is larger than the sum of its proper divisors (594934081).
10120444031 is an equidigital number, since it uses as much as digits as its factorization.
10120444031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89918 (or 89899 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 10120444031 its reverse (13044402101), we get a palindrome (23164846132).
The spelling of 10120444031 in words is "ten billion, one hundred twenty million, four hundred forty-four thousand, thirty-one".
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