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11142555245 = 52228511049
BaseRepresentation
bin10100110000010010…
…11110011001101101
31001202112200110021022
422120021132121231
5140304443231440
65041355343525
7543060104543
oct123011363155
931675613238
1011142555245
1147a8755748
1221ab751ba5
13108761aa73
14779bbbd93
1545334ccb5
hex29825e66d

11142555245 has 4 divisors (see below), whose sum is σ = 13371066300. Its totient is φ = 8914044192.

The previous prime is 11142555241. The next prime is 11142555257. The reversal of 11142555245 is 54255524111.

11142555245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54255524111 = 107507060973.

It can be written as a sum of positive squares in 2 ways, for example, as 7210387396 + 3932167849 = 84914^2 + 62707^2 .

It is a cyclic number.

It is not a de Polignac number, because 11142555245 - 22 = 11142555241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142555241) 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 3 ways as a sum of consecutive naturals, for example, 1114255520 + ... + 1114255529.

It is an arithmetic number, because the mean of its divisors is an integer number (3342766575).

Almost surely, 211142555245 is an apocalyptic number.

It is an amenable number.

11142555245 is a deficient number, since it is larger than the sum of its proper divisors (2228511055).

11142555245 is an equidigital number, since it uses as much as digits as its factorization.

11142555245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228511054.

The product of its digits is 40000, while the sum is 35.

The spelling of 11142555245 in words is "eleven billion, one hundred forty-two million, five hundred fifty-five thousand, two hundred forty-five".

Divisors: 1 5 2228511049 11142555245