Search a number
-
+
110120230261 is a prime number
BaseRepresentation
bin110011010001110101…
…1010101110101110101
3101112020110122022021201
41212203223111311311
53301011234332021
6122331042412501
710645611340666
oct1464353256565
9345213568251
10110120230261
1142779aa9968
1219413061131
13a4cc3a4882
14548915d36d
152ce7946591
hex19a3ad5d75

110120230261 has 2 divisors, whose sum is σ = 110120230262. Its totient is φ = 110120230260.

The previous prime is 110120230219. The next prime is 110120230373. The reversal of 110120230261 is 162032021011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85398957361 + 24721272900 = 292231^2 + 157230^2 .

It is a cyclic number.

It is not a de Polignac number, because 110120230261 - 221 = 110118133109 is a prime.

It is a super-2 number, since 2×1101202302612 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110120237261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55060115130 + 55060115131.

It is an arithmetic number, because the mean of its divisors is an integer number (55060115131).

Almost surely, 2110120230261 is an apocalyptic number.

It is an amenable number.

110120230261 is a deficient number, since it is larger than the sum of its proper divisors (1).

110120230261 is an equidigital number, since it uses as much as digits as its factorization.

110120230261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 110120230261 its reverse (162032021011), we get a palindrome (272152251272).

The spelling of 110120230261 in words is "one hundred ten billion, one hundred twenty million, two hundred thirty thousand, two hundred sixty-one".