Base | Representation |
---|---|
bin | 100100001001100… |
… | …1110101001101110 |
3 | 10010112110210121010 |
4 | 1020103032221232 |
5 | 4441012002202 |
6 | 320210450050 |
7 | 42026222013 |
oct | 11023165156 |
9 | 3115423533 |
10 | 1213000302 |
11 | 572786098 |
12 | 29a293926 |
13 | 1643c6877 |
14 | b715570a |
15 | 7175776c |
hex | 484cea6e |
1213000302 has 32 divisors (see below), whose sum is σ = 2518318080. Its totient is φ = 389093760.
The previous prime is 1213000301. The next prime is 1213000307. The reversal of 1213000302 is 2030003121.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1213000301) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15078 + ... + 51510.
It is an arithmetic number, because the mean of its divisors is an integer number (78697440).
Almost surely, 21213000302 is an apocalyptic number.
1213000302 is an abundant number, since it is smaller than the sum of its proper divisors (1305317778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1213000302 is a wasteful number, since it uses less digits than its factorization.
1213000302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36648.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 1213000302 is about 34828.1538701092. The cubic root of 1213000302 is about 1066.4822614596.
Adding to 1213000302 its reverse (2030003121), we get a palindrome (3243003423).
The spelling of 1213000302 in words is "one billion, two hundred thirteen million, three hundred two", and thus it is an aban number.
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