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11297758427 = 32909343303
BaseRepresentation
bin10101000010110011…
…00001110011011011
31002011100201121000022
422201121201303123
5141114211232202
65105022101055
7546653235134
oct124131416333
932140647008
1011297758427
11487832113a
12223371a78b
1310b081c077
1479265cc8b
15461ca8ea2
hex2a1661cdb

11297758427 has 4 divisors (see below), whose sum is σ = 11298134640. Its totient is φ = 11297382216.

The previous prime is 11297758421. The next prime is 11297758441. The reversal of 11297758427 is 72485779211.

11297758427 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.

It is a cyclic number.

It is not a de Polignac number, because 11297758427 - 210 = 11297757403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11297758421) 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, 138743 + ... + 204560.

It is an arithmetic number, because the mean of its divisors is an integer number (2824533660).

Almost surely, 211297758427 is an apocalyptic number.

11297758427 is a deficient number, since it is larger than the sum of its proper divisors (376213).

11297758427 is an equidigital number, since it uses as much as digits as its factorization.

11297758427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376212.

The product of its digits is 1975680, while the sum is 53.

The spelling of 11297758427 in words is "eleven billion, two hundred ninety-seven million, seven hundred fifty-eight thousand, four hundred twenty-seven".

Divisors: 1 32909 343303 11297758427