Search a number
-
+
11310223013 = 149409185593
BaseRepresentation
bin10101000100010010…
…00100111010100101
31002012020011212012122
422202021010322211
5141130404114023
65110145155325
7550164211055
oct124211047245
932166155178
1011310223013
114884364a51
12223792bb45
1310b329466b
14794185565
15462e1c2c8
hex2a2244ea5

11310223013 has 8 divisors (see below), whose sum is σ = 11414031000. Its totient is φ = 11206787328.

The previous prime is 11310222971. The next prime is 11310223019. The reversal of 11310223013 is 31032201311.

It can be written as a sum of positive squares in 4 ways, for example, as 652138369 + 10658084644 = 25537^2 + 103238^2 .

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 11310223013 - 212 = 11310218917 is a prime.

It is a super-2 number, since 2×113102230132 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11310222982 and 11310223000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11310223019) 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, 31856 + ... + 153737.

It is an arithmetic number, because the mean of its divisors is an integer number (1426753875).

Almost surely, 211310223013 is an apocalyptic number.

It is an amenable number.

11310223013 is a deficient number, since it is larger than the sum of its proper divisors (103807987).

11310223013 is a wasteful number, since it uses less digits than its factorization.

11310223013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186151.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11310223013 its reverse (31032201311), we get a palindrome (42342424324).

The spelling of 11310223013 in words is "eleven billion, three hundred ten million, two hundred twenty-three thousand, thirteen".

Divisors: 1 149 409 60941 185593 27653357 75907537 11310223013