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10800113897 = 55631941419
BaseRepresentation
bin10100000111011110…
…01010100011101001
31000212200022122001102
422003233022203221
5134104312121042
64543403531145
7531431311346
oct120357124351
930780278042
1010800113897
114642423471
122114b29ab5
1310316b0151
1474651b7cd
15433258b32
hex283bca8e9

10800113897 has 4 divisors (see below), whose sum is σ = 10802060880. Its totient is φ = 10798166916.

The previous prime is 10800113873. The next prime is 10800113911. The reversal of 10800113897 is 79831100801.

10800113897 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 not a de Polignac number, because 10800113897 - 26 = 10800113833 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10800113897.

It is not an unprimeable number, because it can be changed into a prime (10800113837) 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, 965147 + ... + 976272.

It is an arithmetic number, because the mean of its divisors is an integer number (2700515220).

Almost surely, 210800113897 is an apocalyptic number.

It is an amenable number.

10800113897 is a deficient number, since it is larger than the sum of its proper divisors (1946983).

10800113897 is an equidigital number, since it uses as much as digits as its factorization.

10800113897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946982.

The product of its (nonzero) digits is 12096, while the sum is 38.

The spelling of 10800113897 in words is "ten billion, eight hundred million, one hundred thirteen thousand, eight hundred ninety-seven".

Divisors: 1 5563 1941419 10800113897