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10910911819 = 97112483627
BaseRepresentation
bin10100010100101011…
…10100110101001011
31001011101210202020011
422022111310311023
5134321143134234
65002402412351
7534245135353
oct121225646513
931141722204
1010910911819
114699a1a5a5
1221460610b7
13104b634752
1475711db63
1543cd42b64
hex28a574d4b

10910911819 has 4 divisors (see below), whose sum is σ = 11023395544. Its totient is φ = 10798428096.

The previous prime is 10910911811. The next prime is 10910911829. The reversal of 10910911819 is 91811901901.

10910911819 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: 91811901901 = 149251615151.

It is a cyclic number.

It is not a de Polignac number, because 10910911819 - 23 = 10910911811 is a prime.

It is a super-2 number, since 2×109109118192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10910911811) 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, 56241717 + ... + 56241910.

It is an arithmetic number, because the mean of its divisors is an integer number (2755848886).

Almost surely, 210910911819 is an apocalyptic number.

10910911819 is a deficient number, since it is larger than the sum of its proper divisors (112483725).

10910911819 is an equidigital number, since it uses as much as digits as its factorization.

10910911819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112483724.

The product of its (nonzero) digits is 5832, while the sum is 40.

The spelling of 10910911819 in words is "ten billion, nine hundred ten million, nine hundred eleven thousand, eight hundred nineteen".

Divisors: 1 97 112483627 10910911819