Base | Representation |
---|---|
bin | 100100000100100… |
… | …0000110001111010 |
3 | 10010100102201201022 |
4 | 1020021000301322 |
5 | 4434320301132 |
6 | 320033222442 |
7 | 41664365456 |
oct | 11011006172 |
9 | 3110381638 |
10 | 1210322042 |
11 | 571216956 |
12 | 299401a22 |
13 | 1639997b7 |
14 | b6a59666 |
15 | 713c8e12 |
hex | 48240c7a |
1210322042 has 8 divisors (see below), whose sum is σ = 1840352916. Its totient is φ = 596871072.
The previous prime is 1210322041. The next prime is 1210322053. The reversal of 1210322042 is 2402230121.
It can be written as a sum of positive squares in 2 ways, for example, as 1145213281 + 65108761 = 33841^2 + 8069^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 1210322042.
It is not an unprimeable number, because it can be changed into a prime (1210322041) 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 3 ways as a sum of consecutive naturals, for example, 4144793 + ... + 4145084.
Almost surely, 21210322042 is an apocalyptic number.
1210322042 is a deficient number, since it is larger than the sum of its proper divisors (630030874).
1210322042 is an equidigital number, since it uses as much as digits as its factorization.
1210322042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8289952.
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 1210322042 is about 34789.6829821716. The cubic root of 1210322042 is about 1065.6967652061.
Adding to 1210322042 its reverse (2402230121), we get a palindrome (3612552163).
The spelling of 1210322042 in words is "one billion, two hundred ten million, three hundred twenty-two thousand, forty-two".
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