Base | Representation |
---|---|
bin | 101010010100110… |
… | …1011000010000111 |
3 | 10122222101011021220 |
4 | 1110221223002013 |
5 | 10402033212221 |
6 | 352532011423 |
7 | 50123405562 |
oct | 12451530207 |
9 | 3588334256 |
10 | 1420210311 |
11 | 669743033 |
12 | 337760b73 |
13 | 198306840 |
14 | d68934d9 |
15 | 84a380c6 |
hex | 54a6b087 |
1420210311 has 16 divisors (see below), whose sum is σ = 2159234784. Its totient is φ = 822564864.
The previous prime is 1420210307. The next prime is 1420210333. The reversal of 1420210311 is 1130120241.
It is not a de Polignac number, because 1420210311 - 22 = 1420210307 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1420211311) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1070386 + ... + 1071711.
It is an arithmetic number, because the mean of its divisors is an integer number (134952174).
Almost surely, 21420210311 is an apocalyptic number.
1420210311 is a deficient number, since it is larger than the sum of its proper divisors (739024473).
1420210311 is a wasteful number, since it uses less digits than its factorization.
1420210311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2142130.
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 1420210311 is about 37685.6777967440. The cubic root of 1420210311 is about 1124.0463519320.
Adding to 1420210311 its reverse (1130120241), we get a palindrome (2550330552).
The spelling of 1420210311 in words is "one billion, four hundred twenty million, two hundred ten thousand, three hundred eleven".
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