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10108110091 = 95111062781
BaseRepresentation
bin10010110100111110…
…11000010100001011
3222002110012012021211
421122133120110023
5131200134010331
64351003513551
7505326342502
oct113237302413
928073165254
1010108110091
1143178457a2
121b612288b7
13c51210541
146bc665839
153e26158b1
hex25a7d850b

10108110091 has 4 divisors (see below), whose sum is σ = 10109182384. Its totient is φ = 10107037800.

The previous prime is 10108110079. The next prime is 10108110157. The reversal of 10108110091 is 19001180101.

10108110091 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: 19001180101 = 67283599703.

It is a cyclic number.

It is not a de Polignac number, because 10108110091 - 29 = 10108109579 is a prime.

It is a super-2 number, since 2×101081100912 (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 (10108110071) 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, 521880 + ... + 540901.

It is an arithmetic number, because the mean of its divisors is an integer number (2527295596).

Almost surely, 210108110091 is an apocalyptic number.

10108110091 is a deficient number, since it is larger than the sum of its proper divisors (1072293).

10108110091 is an equidigital number, since it uses as much as digits as its factorization.

10108110091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072292.

The product of its (nonzero) digits is 72, while the sum is 22.

Adding to 10108110091 its reverse (19001180101), we get a palindrome (29109290192).

The spelling of 10108110091 in words is "ten billion, one hundred eight million, one hundred ten thousand, ninety-one".

Divisors: 1 9511 1062781 10108110091