Base | Representation |
---|---|
bin | 101010010110010… |
… | …1111000011010000 |
3 | 10200000212221122112 |
4 | 1110230233003100 |
5 | 10402234410300 |
6 | 353001124452 |
7 | 50133261425 |
oct | 12454570320 |
9 | 3600787575 |
10 | 1421013200 |
11 | 66a141282 |
12 | 337a89728 |
13 | 198528119 |
14 | d6a21d4c |
15 | 84b45e35 |
hex | 54b2f0d0 |
1421013200 has 30 divisors (see below), whose sum is σ = 3413985174. Its totient is φ = 568405120.
The previous prime is 1421013197. The next prime is 1421013227. The reversal of 1421013200 is 23101241.
1421013200 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 3 ways, for example, as 438316096 + 982697104 = 20936^2 + 31348^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1775867 + ... + 1776666.
Almost surely, 21421013200 is an apocalyptic number.
1421013200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1421013200 is an abundant number, since it is smaller than the sum of its proper divisors (1992971974).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1421013200 is a wasteful number, since it uses less digits than its factorization.
1421013200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3552551 (or 3552540 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 1421013200 is about 37696.3287337109. The cubic root of 1421013200 is about 1124.2581314668.
Adding to 1421013200 its reverse (23101241), we get a palindrome (1444114441).
The spelling of 1421013200 in words is "one billion, four hundred twenty-one million, thirteen thousand, two hundred".
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