Base | Representation |
---|---|
bin | 100110110001101… |
… | …0101110100000101 |
3 | 10100200021020102001 |
4 | 1031203111310011 |
5 | 10131041010041 |
6 | 333035145301 |
7 | 44146152451 |
oct | 11543256405 |
9 | 3320236361 |
10 | 1301110021 |
11 | 608496242 |
12 | 3038a5231 |
13 | 1797362b3 |
14 | c4b2d661 |
15 | 7935e131 |
hex | 4d8d5d05 |
1301110021 has 8 divisors (see below), whose sum is σ = 1344556800. Its totient is φ = 1257755520.
The previous prime is 1301109989. The next prime is 1301110033. The reversal of 1301110021 is 1200111031.
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 1301110021 - 25 = 1301109989 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1301110081) 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, 6210 + ... + 51388.
It is an arithmetic number, because the mean of its divisors is an integer number (168069600).
Almost surely, 21301110021 is an apocalyptic number.
It is an amenable number.
1301110021 is a deficient number, since it is larger than the sum of its proper divisors (43446779).
1301110021 is an equidigital number, since it uses as much as digits as its factorization.
1301110021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46139.
The product of its (nonzero) digits is 6, while the sum is 10.
The square root of 1301110021 is about 36070.9026917819. The cubic root of 1301110021 is about 1091.7034277723.
Adding to 1301110021 its reverse (1200111031), we get a palindrome (2501221052).
It can be divided in two parts, 13011 and 10021, that added together give a palindrome (23032).
The spelling of 1301110021 in words is "one billion, three hundred one million, one hundred ten thousand, twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •