Base | Representation |
---|---|
bin | 101110101000000111… |
… | …1010000101001001101 |
3 | 100120110021001122021212 |
4 | 1131100033100221031 |
5 | 3120031342103141 |
6 | 113555502304205 |
7 | 10143216400355 |
oct | 1352017205115 |
9 | 316407048255 |
10 | 100130425421 |
11 | 39513018704 |
12 | 174a5588065 |
13 | 9599846a50 |
14 | 4bbc4d1b65 |
15 | 29108ee2eb |
hex | 17503d0a4d |
100130425421 has 8 divisors (see below), whose sum is σ = 108072934200. Its totient is φ = 92222226432.
The previous prime is 100130425403. The next prime is 100130425427. The reversal of 100130425421 is 124524031001.
It can be written as a sum of positive squares in 4 ways, for example, as 60062500 + 100070362921 = 7750^2 + 316339^2 .
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 100130425421 - 210 = 100130424397 is a prime.
It is a super-2 number, since 2×1001304254212 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (100130425427) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8571380 + ... + 8583053.
It is an arithmetic number, because the mean of its divisors is an integer number (13509116775).
Almost surely, 2100130425421 is an apocalyptic number.
It is an amenable number.
100130425421 is a deficient number, since it is larger than the sum of its proper divisors (7942508779).
100130425421 is a wasteful number, since it uses less digits than its factorization.
100130425421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17154895.
The product of its (nonzero) digits is 960, while the sum is 23.
Adding to 100130425421 its reverse (124524031001), we get a palindrome (224654456422).
The spelling of 100130425421 in words is "one hundred billion, one hundred thirty million, four hundred twenty-five thousand, four hundred twenty-one".
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