Search a number
-
+
11242847513 = 29419455717
BaseRepresentation
bin10100111100010000…
…00011110100011001
31002000112101211101202
422132020003310121
5141011132110023
65055341123545
7545415425042
oct123610036431
932015354352
1011242847513
11484a326817
1222192595b5
1310a23345c1
147892478c9
1545c05e128
hex29e203d19

11242847513 has 8 divisors (see below), whose sum is σ = 11914204680. Its totient is φ = 10590401920.

The previous prime is 11242847461. The next prime is 11242847533. The reversal of 11242847513 is 31574824211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2488812544 + 8754034969 = 49888^2 + 93563^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11242847513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11242847533) 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, 4726670 + ... + 4729047.

It is an arithmetic number, because the mean of its divisors is an integer number (1489275585).

Almost surely, 211242847513 is an apocalyptic number.

It is an amenable number.

11242847513 is a deficient number, since it is larger than the sum of its proper divisors (671357167).

11242847513 is an equidigital number, since it uses as much as digits as its factorization.

11242847513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9455787.

The product of its digits is 53760, while the sum is 38.

The spelling of 11242847513 in words is "eleven billion, two hundred forty-two million, eight hundred forty-seven thousand, five hundred thirteen".

Divisors: 1 29 41 1189 9455717 274215793 387684397 11242847513