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101001010100101 = 811124538853391
BaseRepresentation
bin10110111101110000100001…
…010101000011011110000101
3111020121121021001102100121121
4112331300201111003132011
5101214300032041200401
6554451120135113541
730163040120456446
oct2675604125033605
9436547231370547
10101001010100101
112a200319124241
12b3b2809b128b1
13444847b776c47
141ad26914752cd
15ba2404a5eca1
hex5bdc21543785

101001010100101 has 4 divisors (see below), whose sum is σ = 101125548954304. Its totient is φ = 100876471245900.

The previous prime is 101001010100099. The next prime is 101001010100113.

It is a happy number.

101001010100101 is nontrivially palindromic in base 10.

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 101001010100101 - 21 = 101001010100099 is a prime.

101001010100101 is a strobogrammatic number because it is the same when read upside-down.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101001010170101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62269425885 + ... + 62269427506.

It is an arithmetic number, because the mean of its divisors is an integer number (25281387238576).

Almost surely, 2101001010100101 is an apocalyptic number.

It is an amenable number.

101001010100101 is a deficient number, since it is larger than the sum of its proper divisors (124538854203).

101001010100101 is an equidigital number, since it uses as much as digits as its factorization.

101001010100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124538854202.

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

The spelling of 101001010100101 in words is "one hundred one trillion, one billion, ten million, one hundred thousand, one hundred one".

Divisors: 1 811 124538853391 101001010100101