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13541938097 = 20219669763
BaseRepresentation
bin11001001110010100…
…11001001110110001
31021221202112201202212
430213022121032301
5210213214004342
610115430421505
7656403401042
oct144712311661
937852481685
1013541938097
11581a086586
12275b201895
13137a74b82c
1492671a8c9
15543d01182
hex3272993b1

13541938097 has 4 divisors (see below), whose sum is σ = 13542628080. Its totient is φ = 13541248116.

The previous prime is 13541938043. The next prime is 13541938139. The reversal of 13541938097 is 79083914531.

13541938097 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13541938097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13541938037) 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, 314663 + ... + 355100.

It is an arithmetic number, because the mean of its divisors is an integer number (3385657020).

Almost surely, 213541938097 is an apocalyptic number.

It is an amenable number.

13541938097 is a deficient number, since it is larger than the sum of its proper divisors (689983).

13541938097 is an equidigital number, since it uses as much as digits as its factorization.

13541938097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689982.

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 13541938097 in words is "thirteen billion, five hundred forty-one million, nine hundred thirty-eight thousand, ninety-seven".

Divisors: 1 20219 669763 13541938097