Search a number
-
+
11530746077 = 17678279181
BaseRepresentation
bin10101011110100100…
…10011100011011101
31002202121010120222112
422233102103203131
5142103332333302
65144103523405
7555512503334
oct125722234335
932677116875
1011530746077
114987895214
122299759565
131119b86196
147b558ad1b
1547747c552
hex2af4938dd

11530746077 has 4 divisors (see below), whose sum is σ = 12209025276. Its totient is φ = 10852466880.

The previous prime is 11530746041. The next prime is 11530746089. The reversal of 11530746077 is 77064703511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77064703511 = 79801965711.

It can be written as a sum of positive squares in 2 ways, for example, as 9326537476 + 2204208601 = 96574^2 + 46949^2 .

It is a cyclic number.

It is not a de Polignac number, because 11530746077 - 216 = 11530680541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11530746037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339139574 + ... + 339139607.

It is an arithmetic number, because the mean of its divisors is an integer number (3052256319).

Almost surely, 211530746077 is an apocalyptic number.

11530746077 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11530746077 is a deficient number, since it is larger than the sum of its proper divisors (678279199).

11530746077 is an equidigital number, since it uses as much as digits as its factorization.

11530746077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678279198.

The product of its (nonzero) digits is 123480, while the sum is 41.

The spelling of 11530746077 in words is "eleven billion, five hundred thirty million, seven hundred forty-six thousand, seventy-seven".

Divisors: 1 17 678279181 11530746077