Base | Representation |
---|---|
bin | 100011110000110… |
… | …1110011001011010 |
3 | 10002122001111021010 |
4 | 1013201232121122 |
5 | 4424201220010 |
6 | 315024354350 |
7 | 41511012465 |
oct | 10741563132 |
9 | 3078044233 |
10 | 1200023130 |
11 | 566422159 |
12 | 295a759b6 |
13 | 161801b77 |
14 | b55382dc |
15 | 70542620 |
hex | 4786e65a |
1200023130 has 64 divisors (see below), whose sum is σ = 2943682560. Its totient is φ = 313014336.
The previous prime is 1200023119. The next prime is 1200023177. The reversal of 1200023130 is 313200021.
It is a happy number.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254131 + ... + 258809.
It is an arithmetic number, because the mean of its divisors is an integer number (45995040).
Almost surely, 21200023130 is an apocalyptic number.
1200023130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1200023130 is an abundant number, since it is smaller than the sum of its proper divisors (1743659430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1200023130 is a wasteful number, since it uses less digits than its factorization.
1200023130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4875.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 1200023130 is about 34641.3500025620. The cubic root of 1200023130 is about 1062.6653967201.
Adding to 1200023130 its reverse (313200021), we get a palindrome (1513223151).
The spelling of 1200023130 in words is "one billion, two hundred million, twenty-three thousand, one hundred thirty".
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