Base | Representation |
---|---|
bin | 1000010100000000… |
… | …1110101111010101 |
3 | 12202111211101122022 |
4 | 2011000032233111 |
5 | 14032221230401 |
6 | 1005231142525 |
7 | 106203562055 |
oct | 20500165725 |
9 | 5674741568 |
10 | 2231430101 |
11 | a4564750a |
12 | 523374a45 |
13 | 2973b7554 |
14 | 1724dd565 |
15 | d0d7971b |
hex | 8500ebd5 |
2231430101 has 2 divisors, whose sum is σ = 2231430102. Its totient is φ = 2231430100.
The previous prime is 2231430073. The next prime is 2231430137. The reversal of 2231430101 is 1010341322.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2096266225 + 135163876 = 45785^2 + 11626^2 .
It is a cyclic number.
It is not a de Polignac number, because 2231430101 - 218 = 2231167957 is a prime.
It is a super-3 number, since 3×22314301013 (a number of 29 digits) contains 333 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 2231430101.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2231430191) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115715050 + 1115715051.
It is an arithmetic number, because the mean of its divisors is an integer number (1115715051).
Almost surely, 22231430101 is an apocalyptic number.
It is an amenable number.
2231430101 is a deficient number, since it is larger than the sum of its proper divisors (1).
2231430101 is an equidigital number, since it uses as much as digits as its factorization.
2231430101 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 2231430101 is about 47238.0154219036. The cubic root of 2231430101 is about 1306.7557780216.
Adding to 2231430101 its reverse (1010341322), we get a palindrome (3241771423).
The spelling of 2231430101 in words is "two billion, two hundred thirty-one million, four hundred thirty thousand, one hundred one".
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