Search a number
-
+
2302120013 = 89229711261
BaseRepresentation
bin1000100100110111…
…1001000001001101
312221102211210222012
42021031321001031
514203320320023
61020234231005
7111022461104
oct21115710115
95842753865
102302120013
11a81539926
12542b85465
132a8c380bb
1417ba6103b
15d718e978
hex8937904d

2302120013 has 8 divisors (see below), whose sum is σ = 2329206840. Its totient is φ = 2275060480.

The previous prime is 2302120001. The next prime is 2302120099. The reversal of 2302120013 is 3100212032.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 644245924 + 1657874089 = 25382^2 + 40717^2 .

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 2302120013 - 212 = 2302115917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2302120013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2302129013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198803 + ... + 210063.

It is an arithmetic number, because the mean of its divisors is an integer number (291150855).

Almost surely, 22302120013 is an apocalyptic number.

It is an amenable number.

2302120013 is a deficient number, since it is larger than the sum of its proper divisors (27086827).

2302120013 is a wasteful number, since it uses less digits than its factorization.

2302120013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13647.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2302120013 is about 47980.4128056439. The cubic root of 2302120013 is about 1320.4115668344.

Adding to 2302120013 its reverse (3100212032), we get a palindrome (5402332045).

It can be divided in two parts, 23021 and 20013, that added together give a palindrome (43034).

The spelling of 2302120013 in words is "two billion, three hundred two million, one hundred twenty thousand, thirteen".

Divisors: 1 89 2297 11261 204433 1002229 25866517 2302120013