Base | Representation |
---|---|
bin | 100100101100110… |
… | …0000001001010010 |
3 | 10011211010201110111 |
4 | 1021121200021102 |
5 | 10010221001114 |
6 | 322105351534 |
7 | 42341625463 |
oct | 11131401122 |
9 | 3154121414 |
10 | 1231422034 |
11 | 582118667 |
12 | 2a44985aa |
13 | 1681767bb |
14 | b978cd6a |
15 | 73195bc4 |
hex | 49660252 |
1231422034 has 32 divisors (see below), whose sum is σ = 1995943680. Its totient is φ = 567994752.
The previous prime is 1231422007. The next prime is 1231422037. The reversal of 1231422034 is 4302241321.
It is a junction number, because it is equal to n+sod(n) for n = 1231421996 and 1231422014.
It is not an unprimeable number, because it can be changed into a prime (1231422037) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 273687 + ... + 278149.
It is an arithmetic number, because the mean of its divisors is an integer number (62373240).
Almost surely, 21231422034 is an apocalyptic number.
1231422034 is a deficient number, since it is larger than the sum of its proper divisors (764521646).
1231422034 is a wasteful number, since it uses less digits than its factorization.
1231422034 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4674.
The product of its (nonzero) digits is 1152, while the sum is 22.
The square root of 1231422034 is about 35091.6234164223. The cubic root of 1231422034 is about 1071.8540174208.
Adding to 1231422034 its reverse (4302241321), we get a palindrome (5533663355).
The spelling of 1231422034 in words is "one billion, two hundred thirty-one million, four hundred twenty-two thousand, thirty-four".
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