Search a number
-
+
10201131211 = 59172900529
BaseRepresentation
bin10011000000000100…
…01110100011001011
3222022221020011021111
421200002032203023
5131342442144321
64404125351151
7510536120215
oct114002164313
928287204244
1010201131211
1143652aa957
121b884084b7
13c6757c61b
146cab5b5b5
153ea88c5e1
hex26008e8cb

10201131211 has 4 divisors (see below), whose sum is σ = 10374031800. Its totient is φ = 10028230624.

The previous prime is 10201131191. The next prime is 10201131223. The reversal of 10201131211 is 11213110201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11213110201 = 53211568117.

It is a cyclic number.

It is not a de Polignac number, because 10201131211 - 211 = 10201129163 is a prime.

It is a super-3 number, since 3×102011312113 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10201131191 and 10201131200.

It is not an unprimeable number, because it can be changed into a prime (10201131251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86450206 + ... + 86450323.

It is an arithmetic number, because the mean of its divisors is an integer number (2593507950).

Almost surely, 210201131211 is an apocalyptic number.

10201131211 is a deficient number, since it is larger than the sum of its proper divisors (172900589).

10201131211 is an equidigital number, since it uses as much as digits as its factorization.

10201131211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172900588.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10201131211 its reverse (11213110201), we get a palindrome (21414241412).

The spelling of 10201131211 in words is "ten billion, two hundred one million, one hundred thirty-one thousand, two hundred eleven".

Divisors: 1 59 172900529 10201131211