Base | Representation |
---|---|
bin | 1011100111110111… |
… | …0110110101011001 |
3 | 22001102211102212100 |
4 | 2321331312311121 |
5 | 22342210002340 |
6 | 1233332234013 |
7 | 140213364630 |
oct | 27175666531 |
9 | 8042742770 |
10 | 3120000345 |
11 | 1361182490 |
12 | 730a6b909 |
13 | 3a950b667 |
14 | 218522517 |
15 | 133d99830 |
hex | b9f76d59 |
3120000345 has 96 divisors (see below), whose sum is σ = 6762921984. Its totient is φ = 1292688000.
The previous prime is 3120000341. The next prime is 3120000349. The reversal of 3120000345 is 5430000213.
It is an interprime number because it is at equal distance from previous prime (3120000341) and next prime (3120000349).
It is not a de Polignac number, because 3120000345 - 22 = 3120000341 is a prime.
It is not an unprimeable number, because it can be changed into a prime (3120000341) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1325920 + ... + 1328270.
It is an arithmetic number, because the mean of its divisors is an integer number (70447104).
Almost surely, 23120000345 is an apocalyptic number.
3120000345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
3120000345 is an abundant number, since it is smaller than the sum of its proper divisors (3642921639).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3120000345 is a wasteful number, since it uses less digits than its factorization.
3120000345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2763 (or 2760 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 3120000345 is about 55856.9632633211. The cubic root of 3120000345 is about 1461.2287686720.
Adding to 3120000345 its reverse (5430000213), we get a palindrome (8550000558).
The spelling of 3120000345 in words is "three billion, one hundred twenty million, three hundred forty-five", and thus it is an aban number.
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