Base | Representation |
---|---|
bin | 101111000011010010… |
… | …1000010100001100101 |
3 | 100122210210112201202202 |
4 | 1132012211002201211 |
5 | 3123413234320141 |
6 | 114230150544245 |
7 | 10204626500546 |
oct | 1360645024145 |
9 | 318723481682 |
10 | 101042104421 |
11 | 399406a7625 |
12 | 176ba968085 |
13 | 96b369c28b |
14 | 4c6760c4cd |
15 | 296598649b |
hex | 1786942865 |
101042104421 has 8 divisors (see below), whose sum is σ = 101734299000. Its totient is φ = 100350097600.
The previous prime is 101042104409. The next prime is 101042104447. The reversal of 101042104421 is 124401240101.
It can be written as a sum of positive squares in 4 ways, for example, as 181872196 + 100860232225 = 13486^2 + 317585^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 101042104421 - 26 = 101042104357 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 101042104393 and 101042104402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101042104921) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1134335 + ... + 1220163.
It is an arithmetic number, because the mean of its divisors is an integer number (12716787375).
Almost surely, 2101042104421 is an apocalyptic number.
It is an amenable number.
101042104421 is a deficient number, since it is larger than the sum of its proper divisors (692194579).
101042104421 is an equidigital number, since it uses as much as digits as its factorization.
101042104421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93879.
The product of its (nonzero) digits is 256, while the sum is 20.
Adding to 101042104421 its reverse (124401240101), we get a palindrome (225443344522).
The spelling of 101042104421 in words is "one hundred one billion, forty-two million, one hundred four thousand, four hundred twenty-one".
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