Base | Representation |
---|---|
bin | 1110010101010… |
… | …01100101110001 |
3 | 22101020102201100 |
4 | 13022221211301 |
5 | 221234413210 |
6 | 15532555013 |
7 | 2656646334 |
oct | 712514561 |
9 | 271212640 |
10 | 120232305 |
11 | 61960346 |
12 | 34322a69 |
13 | 1bba889b |
14 | 11d7a61b |
15 | a84e5c0 |
hex | 72a9971 |
120232305 has 12 divisors (see below), whose sum is σ = 208402740. Its totient is φ = 64123872.
The previous prime is 120232271. The next prime is 120232337. The reversal of 120232305 is 503232021.
It can be written as a sum of positive squares in 2 ways, for example, as 66781584 + 53450721 = 8172^2 + 7311^2 .
It is not a de Polignac number, because 120232305 - 216 = 120166769 is a prime.
It is a super-2 number, since 2×1202323052 = 28911614331226050, which contains 22 as substring.
It is a Curzon 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, 1335870 + ... + 1335959.
It is an arithmetic number, because the mean of its divisors is an integer number (17366895).
Almost surely, 2120232305 is an apocalyptic number.
120232305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
120232305 is a deficient number, since it is larger than the sum of its proper divisors (88170435).
120232305 is a wasteful number, since it uses less digits than its factorization.
120232305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2671840 (or 2671837 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 120232305 is about 10965.0492474954. The cubic root of 120232305 is about 493.5604949199.
Adding to 120232305 its reverse (503232021), we get a palindrome (623464326).
The spelling of 120232305 in words is "one hundred twenty million, two hundred thirty-two thousand, three hundred five".
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