Base | Representation |
---|---|
bin | 100110101111101… |
… | …0000100110100101 |
3 | 10100121020212202101 |
4 | 1031133100212211 |
5 | 10130302240401 |
6 | 333000212101 |
7 | 44134105243 |
oct | 11537204645 |
9 | 3317225671 |
10 | 1300040101 |
11 | 607925408 |
12 | 30346a031 |
13 | 1794502c9 |
14 | c4931793 |
15 | 791ec101 |
hex | 4d7d09a5 |
1300040101 has 4 divisors (see below), whose sum is σ = 1344869100. Its totient is φ = 1255211104.
The previous prime is 1300040081. The next prime is 1300040129. The reversal of 1300040101 is 1010400031.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 511890625 + 788149476 = 22625^2 + 28074^2 .
It is a cyclic number.
It is not a de Polignac number, because 1300040101 - 215 = 1300007333 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 (1300040171) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22414456 + ... + 22414513.
It is an arithmetic number, because the mean of its divisors is an integer number (336217275).
Almost surely, 21300040101 is an apocalyptic number.
It is an amenable number.
1300040101 is a deficient number, since it is larger than the sum of its proper divisors (44828999).
1300040101 is an equidigital number, since it uses as much as digits as its factorization.
1300040101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44828998.
The product of its (nonzero) digits is 12, while the sum is 10.
The square root of 1300040101 is about 36056.0688511657. The cubic root of 1300040101 is about 1091.4041049832.
Adding to 1300040101 its reverse (1010400031), we get a palindrome (2310440132).
The spelling of 1300040101 in words is "one billion, three hundred million, forty thousand, one hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •