Base | Representation |
---|---|
bin | 101111000010101001… |
… | …0010111001011111101 |
3 | 100122202021202121120012 |
4 | 1132011102113023331 |
5 | 3123342212243401 |
6 | 114224054233005 |
7 | 10204244332202 |
oct | 1360522271375 |
9 | 318667677505 |
10 | 101020431101 |
11 | 3992a444097 |
12 | 176b3655765 |
13 | 96ac051325 |
14 | 4c647a9ca9 |
15 | 2963b048bb |
hex | 17854972fd |
101020431101 has 8 divisors (see below), whose sum is σ = 102681709944. Its totient is φ = 99359320320.
The previous prime is 101020431097. The next prime is 101020431107. The reversal of 101020431101 is 101134020101.
It can be written as a sum of positive squares in 4 ways, for example, as 12210471001 + 88809960100 = 110501^2 + 298010^2 .
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 101020431101 - 22 = 101020431097 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 (101020431107) 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, 1904921 + ... + 1957233.
It is an arithmetic number, because the mean of its divisors is an integer number (12835213743).
Almost surely, 2101020431101 is an apocalyptic number.
It is an amenable number.
101020431101 is a deficient number, since it is larger than the sum of its proper divisors (1661278843).
101020431101 is an equidigital number, since it uses as much as digits as its factorization.
101020431101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84031.
The product of its (nonzero) digits is 24, while the sum is 14.
Adding to 101020431101 its reverse (101134020101), we get a palindrome (202154451202).
The spelling of 101020431101 in words is "one hundred one billion, twenty million, four hundred thirty-one thousand, one hundred one".
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