Base | Representation |
---|---|
bin | 100100010111001… |
… | …1110001110111110 |
3 | 10011000220122011222 |
4 | 1020232132032332 |
5 | 4444324021024 |
6 | 321023513342 |
7 | 42144015230 |
oct | 11056361676 |
9 | 3130818158 |
10 | 1220142014 |
11 | 576813833 |
12 | 2a0758852 |
13 | 165a27430 |
14 | b8094250 |
15 | 721b885e |
hex | 48b9e3be |
1220142014 has 32 divisors (see below), whose sum is σ = 2274906816. Its totient is φ = 477907200.
The previous prime is 1220141983. The next prime is 1220142023. The reversal of 1220142014 is 4102410221.
It is a junction number, because it is equal to n+sod(n) for n = 1220141983 and 1220142001.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14807 + ... + 51570.
It is an arithmetic number, because the mean of its divisors is an integer number (71090838).
Almost surely, 21220142014 is an apocalyptic number.
1220142014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
1220142014 is a deficient number, since it is larger than the sum of its proper divisors (1054764802).
1220142014 is a wasteful number, since it uses less digits than its factorization.
1220142014 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66500.
The product of its (nonzero) digits is 128, while the sum is 17.
The square root of 1220142014 is about 34930.5312584850. The cubic root of 1220142014 is about 1068.5711892455.
Adding to 1220142014 its reverse (4102410221), we get a palindrome (5322552235).
The spelling of 1220142014 in words is "one billion, two hundred twenty million, one hundred forty-two thousand, fourteen".
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