Base | Representation |
---|---|
bin | 101010010101001… |
… | …1001101010010111 |
3 | 10122222201212021200 |
4 | 1110222121222113 |
5 | 10402110320203 |
6 | 352540043543 |
7 | 50125132446 |
oct | 12452315227 |
9 | 3588655250 |
10 | 1420401303 |
11 | 669863582 |
12 | 3378335b3 |
13 | 198372759 |
14 | d6902d5d |
15 | 84a749a3 |
hex | 54a99a97 |
1420401303 has 12 divisors (see below), whose sum is σ = 2055045720. Its totient is φ = 945385776.
The previous prime is 1420401263. The next prime is 1420401313. The reversal of 1420401303 is 3031040241.
It is not a de Polignac number, because 1420401303 - 26 = 1420401239 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1420401313) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123213 + ... + 134246.
It is an arithmetic number, because the mean of its divisors is an integer number (171253810).
Almost surely, 21420401303 is an apocalyptic number.
1420401303 is a deficient number, since it is larger than the sum of its proper divisors (634644417).
1420401303 is a wasteful number, since it uses less digits than its factorization.
1420401303 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 258078 (or 258075 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 1420401303 is about 37688.2117246229. The cubic root of 1420401303 is about 1124.0967374831.
Adding to 1420401303 its reverse (3031040241), we get a palindrome (4451441544).
The spelling of 1420401303 in words is "one billion, four hundred twenty million, four hundred one thousand, three hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.093 sec. • engine limits •