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106918116901 = 107473994837
BaseRepresentation
bin110001110010011010…
…0001111111000100101
3101012222022022002112121
41203210310033320211
53222432014220101
6121041214145541
710503346666351
oct1434464177045
9335868262477
10106918116901
1141386542792
121887a7b22b1
13a10bb7613b
145263b84461
152bab77c0a1
hex18e4d0fe25

106918116901 has 4 divisors (see below), whose sum is σ = 106919219212. Its totient is φ = 106917014592.

The previous prime is 106918116791. The next prime is 106918116913. The reversal of 106918116901 is 109611819601.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 109611819601 = 234765731287.

It can be written as a sum of positive squares in 2 ways, for example, as 21896304676 + 85021812225 = 147974^2 + 291585^2 .

It is a cyclic number.

It is not a de Polignac number, because 106918116901 - 217 = 106917985829 is a prime.

It is a super-2 number, since 2×1069181169012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106918116001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389946 + ... + 604891.

It is an arithmetic number, because the mean of its divisors is an integer number (26729804803).

Almost surely, 2106918116901 is an apocalyptic number.

It is an amenable number.

106918116901 is a deficient number, since it is larger than the sum of its proper divisors (1102311).

106918116901 is an equidigital number, since it uses as much as digits as its factorization.

106918116901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102310.

The product of its (nonzero) digits is 23328, while the sum is 43.

The spelling of 106918116901 in words is "one hundred six billion, nine hundred eighteen million, one hundred sixteen thousand, nine hundred one".

Divisors: 1 107473 994837 106918116901