Base | Representation |
---|---|
bin | 100011110001010… |
… | …0000111111000111 |
3 | 10002122110000111200 |
4 | 1013202200333013 |
5 | 4424224332333 |
6 | 315033033543 |
7 | 41512534554 |
oct | 10742407707 |
9 | 3078400450 |
10 | 1200230343 |
11 | 566553904 |
12 | 295b558b3 |
13 | 161875290 |
14 | b558da2b |
15 | 70583c13 |
hex | 478a0fc7 |
1200230343 has 12 divisors (see below), whose sum is σ = 1867025160. Its totient is φ = 738603216.
The previous prime is 1200230281. The next prime is 1200230347. The reversal of 1200230343 is 3430320021.
It is not a de Polignac number, because 1200230343 - 29 = 1200229831 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1200230347) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5129073 + ... + 5129306.
It is an arithmetic number, because the mean of its divisors is an integer number (155585430).
Almost surely, 21200230343 is an apocalyptic number.
1200230343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
1200230343 is a deficient number, since it is larger than the sum of its proper divisors (666794817).
1200230343 is a wasteful number, since it uses less digits than its factorization.
1200230343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10258398 (or 10258395 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 1200230343 is about 34644.3407066724. The cubic root of 1200230343 is about 1062.7265581556.
Adding to 1200230343 its reverse (3430320021), we get a palindrome (4630550364).
The spelling of 1200230343 in words is "one billion, two hundred million, two hundred thirty thousand, three hundred forty-three".
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