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101001101000101 = 842869119830129
BaseRepresentation
bin10110111101110000100110…
…101111110011110110100101
3111020121121111101110112222021
4112331300212233303312211
5101214300223324000401
6554451133143303141
730163042303221151
oct2675604657636645
9436547441415867
10101001101000101
112a20036546a805
12b3b283444aab1
134448494552723
141ad269d578061
15ba240ca182a1
hex5bdc26bf3da5

101001101000101 has 4 divisors (see below), whose sum is σ = 101001221673100. Its totient is φ = 101000980327104.

The previous prime is 101001101000027. The next prime is 101001101000113. The reversal of 101001101000101 is 101000101100101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69074815387876 + 31926285612225 = 8311126^2 + 5650335^2 .

It is a cyclic number.

It is not a de Polignac number, because 101001101000101 - 27 = 101001100999973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101001101000201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59072196 + ... + 60757933.

It is an arithmetic number, because the mean of its divisors is an integer number (25250305418275).

Almost surely, 2101001101000101 is an apocalyptic number.

It is an amenable number.

101001101000101 is a deficient number, since it is larger than the sum of its proper divisors (120672999).

101001101000101 is an equidigital number, since it uses as much as digits as its factorization.

101001101000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120672998.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 101001101000101 its reverse (101000101100101), we get a palindrome (202001202100202).

The spelling of 101001101000101 in words is "one hundred one trillion, one billion, one hundred one million, one hundred one", and thus it is an aban number.

Divisors: 1 842869 119830129 101001101000101