Base | Representation |
---|---|
bin | 100011110001000… |
… | …1100001110101101 |
3 | 10002122021200212212 |
4 | 1013202030032231 |
5 | 4424214122300 |
6 | 315031140205 |
7 | 41512031651 |
oct | 10742141655 |
9 | 3078250785 |
10 | 1200145325 |
11 | 5664a5a45 |
12 | 295b14665 |
13 | 161845682 |
14 | b556aa61 |
15 | 70568935 |
hex | 4788c3ad |
1200145325 has 12 divisors (see below), whose sum is σ = 1489086240. Its totient is φ = 959531760.
The previous prime is 1200145273. The next prime is 1200145337. The reversal of 1200145325 is 5235410021.
It is not a de Polignac number, because 1200145325 - 28 = 1200145069 is a prime.
It is a super-2 number, since 2×12001453252 = 2880697602238711250, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1200145325.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29936 + ... + 57414.
It is an arithmetic number, because the mean of its divisors is an integer number (124090520).
Almost surely, 21200145325 is an apocalyptic number.
It is an amenable number.
1200145325 is a deficient number, since it is larger than the sum of its proper divisors (288940915).
1200145325 is a wasteful number, since it uses less digits than its factorization.
1200145325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29236 (or 29231 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 23.
The square root of 1200145325 is about 34643.1136735715. The cubic root of 1200145325 is about 1062.7014649112.
Adding to 1200145325 its reverse (5235410021), we get a palindrome (6435555346).
The spelling of 1200145325 in words is "one billion, two hundred million, one hundred forty-five thousand, three hundred twenty-five".
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