Base | Representation |
---|---|
bin | 100011110001010… |
… | …0001000000001100 |
3 | 10002122110000121020 |
4 | 1013202201000030 |
5 | 4424224333122 |
6 | 315033034140 |
7 | 41512535013 |
oct | 10742410014 |
9 | 3078400536 |
10 | 1200230412 |
11 | 566553967 |
12 | 295b55950 |
13 | 161875314 |
14 | b558da7a |
15 | 70583c5c |
hex | 478a100c |
1200230412 has 12 divisors (see below), whose sum is σ = 2800537656. Its totient is φ = 400076800.
The previous prime is 1200230407. The next prime is 1200230417. The reversal of 1200230412 is 2140320021.
It is an interprime number because it is at equal distance from previous prime (1200230407) and next prime (1200230417).
It is a tau number, because it is divible by the number of its divisors (12).
It is a junction number, because it is equal to n+sod(n) for n = 1200230391 and 1200230400.
It is not an unprimeable number, because it can be changed into a prime (1200230417) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50009589 + ... + 50009612.
It is an arithmetic number, because the mean of its divisors is an integer number (233378138).
Almost surely, 21200230412 is an apocalyptic number.
1200230412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1200230412 is an abundant number, since it is smaller than the sum of its proper divisors (1600307244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1200230412 is a wasteful number, since it uses less digits than its factorization.
1200230412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100019208 (or 100019206 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 1200230412 is about 34644.3417025061. The cubic root of 1200230412 is about 1062.7265785206.
Adding to 1200230412 its reverse (2140320021), we get a palindrome (3340550433).
The spelling of 1200230412 in words is "one billion, two hundred million, two hundred thirty thousand, four hundred twelve".
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