Base | Representation |
---|---|
bin | 11110100100001010110… |
… | …011010011101111010101 |
3 | 21102210112220020002112121 |
4 | 132210022303103233111 |
5 | 233403130034330401 |
6 | 4244530355015541 |
7 | 304515241243144 |
oct | 36441263235725 |
9 | 7383486202477 |
10 | 2100420230101 |
11 | 73a868509a96 |
12 | 29b0aa59a5b1 |
13 | 1230b814947b |
14 | 7393765d75b |
15 | 39984074ca1 |
hex | 1e90acd3bd5 |
2100420230101 has 8 divisors (see below), whose sum is σ = 2108089853784. Its totient is φ = 2092751232000.
The previous prime is 2100420230089. The next prime is 2100420230131. The reversal of 2100420230101 is 1010320240012.
It can be written as a sum of positive squares in 4 ways, for example, as 18168344100 + 2082251886001 = 134790^2 + 1443001^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2100420230101 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 (2100420230131) 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 7 ways as a sum of consecutive naturals, for example, 7201101 + ... + 7487101.
It is an arithmetic number, because the mean of its divisors is an integer number (263511231723).
Almost surely, 22100420230101 is an apocalyptic number.
It is an amenable number.
2100420230101 is a deficient number, since it is larger than the sum of its proper divisors (7669623683).
2100420230101 is a wasteful number, since it uses less digits than its factorization.
2100420230101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 312791.
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 2100420230101 its reverse (1010320240012), we get a palindrome (3110740470113).
The spelling of 2100420230101 in words is "two trillion, one hundred billion, four hundred twenty million, two hundred thirty thousand, one hundred one".
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