Base | Representation |
---|---|
bin | 10010000000100… |
… | …010001101011100 |
3 | 210001111210110110 |
4 | 102000202031130 |
5 | 1104321130022 |
6 | 45551410020 |
7 | 10326030342 |
oct | 2200421534 |
9 | 701453413 |
10 | 302130012 |
11 | 1455a9828 |
12 | 85223910 |
13 | 4a795472 |
14 | 2c1a9992 |
15 | 1b7d000c |
hex | 1202235c |
302130012 has 48 divisors (see below), whose sum is σ = 726094880. Its totient is φ = 97708032.
The previous prime is 302129977. The next prime is 302130013. The reversal of 302130012 is 210031203.
It is a happy number.
It is a super-2 number, since 2×3021300122 = 182565088302240288, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a self number, because there is not a number n which added to its sum of digits gives 302130012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (302130013) 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, 202164 + ... + 203652.
Almost surely, 2302130012 is an apocalyptic number.
It is an amenable number.
302130012 is an abundant number, since it is smaller than the sum of its proper divisors (423964868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
302130012 is a wasteful number, since it uses less digits than its factorization.
302130012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1990 (or 1988 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 302130012 is about 17381.8874694321. The cubic root of 302130012 is about 671.0135487665.
Adding to 302130012 its reverse (210031203), we get a palindrome (512161215).
It can be divided in two parts, 3021 and 30012, that added together give a palindrome (33033).
The spelling of 302130012 in words is "three hundred two million, one hundred thirty thousand, twelve".
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