Search a number
-
+
10121611 is a prime number
BaseRepresentation
bin100110100111…
…000110001011
3201001020020111
4212213012023
510042342421
61000535151
7152014033
oct46470613
921036214
1010121611
115793575
1234814b7
132135026
1414b68c3
15d4dee1
hex9a718b

10121611 has 2 divisors, whose sum is σ = 10121612. Its totient is φ = 10121610.

The previous prime is 10121603. The next prime is 10121621. The reversal of 10121611 is 11612101.

10121611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (11612101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10121611 - 23 = 10121603 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10121591 and 10121600.

It is not a weakly prime, because it can be changed into another prime (10121621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060805 + 5060806.

It is an arithmetic number, because the mean of its divisors is an integer number (5060806).

Almost surely, 210121611 is an apocalyptic number.

10121611 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121611 is an equidigital number, since it uses as much as digits as its factorization.

10121611 is an evil number, because the sum of its binary digits is even.

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

The square root of 10121611 is about 3181.4479407968. The cubic root of 10121611 is about 216.3132956487.

Adding to 10121611 its reverse (11612101), we get a palindrome (21733712).

It can be divided in two parts, 101 and 21611, that added together give a palindrome (21712).

The spelling of 10121611 in words is "ten million, one hundred twenty-one thousand, six hundred eleven".