Base | Representation |
---|---|
bin | 100011110101000… |
… | …0110110000001010 |
3 | 10002210012002212020 |
4 | 1013222012300022 |
5 | 4430232020132 |
6 | 315143425310 |
7 | 41535462462 |
oct | 10752066012 |
9 | 3083162766 |
10 | 1202220042 |
11 | 567692791 |
12 | 296755236 |
13 | 1620c0b0a |
14 | b594aba2 |
15 | 7082852c |
hex | 47a86c0a |
1202220042 has 32 divisors (see below), whose sum is σ = 2547578304. Its totient is φ = 376915200.
The previous prime is 1202220023. The next prime is 1202220133. The reversal of 1202220042 is 2400222021.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202192 + ... + 208052.
It is an arithmetic number, because the mean of its divisors is an integer number (79611822).
Almost surely, 21202220042 is an apocalyptic number.
1202220042 is an abundant number, since it is smaller than the sum of its proper divisors (1345358262).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1202220042 is a wasteful number, since it uses less digits than its factorization.
1202220042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7894.
The product of its (nonzero) digits is 128, while the sum is 15.
The square root of 1202220042 is about 34673.0448908082. The cubic root of 1202220042 is about 1063.3134839921.
Adding to 1202220042 its reverse (2400222021), we get a palindrome (3602442063).
The spelling of 1202220042 in words is "one billion, two hundred two million, two hundred twenty thousand, forty-two".
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