Base | Representation |
---|---|
bin | 101010010100101… |
… | …0000101001000010 |
3 | 10122222011200000011 |
4 | 1110221100221002 |
5 | 10402021232320 |
6 | 352525415134 |
7 | 50122445452 |
oct | 12451205102 |
9 | 3588150004 |
10 | 1420102210 |
11 | 66967989a |
12 | 33770a4aa |
13 | 198299587 |
14 | d6865d62 |
15 | 84a1605a |
hex | 54a50a42 |
1420102210 has 16 divisors (see below), whose sum is σ = 2557349496. Its totient is φ = 567781888.
The previous prime is 1420102153. The next prime is 1420102231. The reversal of 1420102210 is 122010241.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 1191699441 + 228402769 = 34521^2 + 15113^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8509 + ... + 53968.
Almost surely, 21420102210 is an apocalyptic number.
1420102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1420102210 is a deficient number, since it is larger than the sum of its proper divisors (1137247286).
1420102210 is a wasteful number, since it uses less digits than its factorization.
1420102210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64757.
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 1420102210 is about 37684.2435243166. The cubic root of 1420102210 is about 1124.0178318325.
Adding to 1420102210 its reverse (122010241), we get a palindrome (1542112451).
The spelling of 1420102210 in words is "one billion, four hundred twenty million, one hundred two thousand, two hundred ten".
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