Base | Representation |
---|---|
bin | 101010101001101… |
… | …0010110010000110 |
3 | 10200201220110222121 |
4 | 1111103102302012 |
5 | 10412331333110 |
6 | 354001520154 |
7 | 50315220343 |
oct | 12523226206 |
9 | 3621813877 |
10 | 1431121030 |
11 | 674915459 |
12 | 33b34305a |
13 | 19a656aa1 |
14 | d80d37ca |
15 | 85990cda |
hex | 554d2c86 |
1431121030 has 16 divisors (see below), whose sum is σ = 2727548640. Its totient is φ = 538774912.
The previous prime is 1431121007. The next prime is 1431121129. The reversal of 1431121030 is 301211341.
It is a junction number, because it is equal to n+sod(n) for n = 1431120995 and 1431121013.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4209010 + ... + 4209349.
It is an arithmetic number, because the mean of its divisors is an integer number (170471790).
Almost surely, 21431121030 is an apocalyptic number.
1431121030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1431121030 is a deficient number, since it is larger than the sum of its proper divisors (1296427610).
1431121030 is a wasteful number, since it uses less digits than its factorization.
1431121030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8418383.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 1431121030 is about 37830.1603221557. The cubic root of 1431121030 is about 1126.9174949909.
Adding to 1431121030 its reverse (301211341), we get a palindrome (1732332371).
The spelling of 1431121030 in words is "one billion, four hundred thirty-one million, one hundred twenty-one thousand, thirty".
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