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11031052541 = 31734798273
BaseRepresentation
bin10100100011000000…
…01000000011111101
31001110202212112022112
422101200020003331
5140042422140131
65022333423405
7540234254015
oct122140100375
931422775275
1011031052541
114750818053
12217a33ab65
13106a4aa732
14769074c45
1544867502b
hex2918080fd

11031052541 has 4 divisors (see below), whose sum is σ = 11065851132. Its totient is φ = 10996253952.

The previous prime is 11031052523. The next prime is 11031052589. The reversal of 11031052541 is 14525013011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14525013011 = 19764474369.

It can be written as a sum of positive squares in 2 ways, for example, as 4001068516 + 7029984025 = 63254^2 + 83845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11031052541 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 (11031052141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17398820 + ... + 17399453.

It is an arithmetic number, because the mean of its divisors is an integer number (2766462783).

Almost surely, 211031052541 is an apocalyptic number.

It is an amenable number.

11031052541 is a deficient number, since it is larger than the sum of its proper divisors (34798591).

11031052541 is an equidigital number, since it uses as much as digits as its factorization.

11031052541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34798590.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 11031052541 its reverse (14525013011), we get a palindrome (25556065552).

The spelling of 11031052541 in words is "eleven billion, thirty-one million, fifty-two thousand, five hundred forty-one".

Divisors: 1 317 34798273 11031052541