Search a number
-
+
2110023121 = 53149267193
BaseRepresentation
bin111110111000100…
…0110010111010001
312110001101021120111
41331301012113101
513310131214441
6545213041321
7103200620623
oct17561062721
95401337514
102110023121
11993064668
124aa786241
132781ba0bb
14160338c13
15c5397081
hex7dc465d1

2110023121 has 8 divisors (see below), whose sum is σ = 2164271400. Its totient is φ = 2056309632.

The previous prime is 2110023109. The next prime is 2110023127. The reversal of 2110023121 is 1213200112.

It can be written as a sum of positive squares in 4 ways, for example, as 19704721 + 2090318400 = 4439^2 + 45720^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2110023121 - 221 = 2107925969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2110023127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125700 + ... + 141493.

It is an arithmetic number, because the mean of its divisors is an integer number (270533925).

Almost surely, 22110023121 is an apocalyptic number.

It is an amenable number.

2110023121 is a deficient number, since it is larger than the sum of its proper divisors (54248279).

2110023121 is a wasteful number, since it uses less digits than its factorization.

2110023121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267395.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2110023121 is about 45934.9879830179. The cubic root of 2110023121 is about 1282.6132972320.

Adding to 2110023121 its reverse (1213200112), we get a palindrome (3323223233).

The spelling of 2110023121 in words is "two billion, one hundred ten million, twenty-three thousand, one hundred twenty-one".

Divisors: 1 53 149 7897 267193 14161229 39811757 2110023121