Base | Representation |
---|---|
bin | 100110111101001… |
… | …0001001110010001 |
3 | 10101002120121021110 |
4 | 1031322101032101 |
5 | 10134110324104 |
6 | 333412043533 |
7 | 44251225011 |
oct | 11572211621 |
9 | 3332517243 |
10 | 1307120529 |
11 | 610921000 |
12 | 3059035a9 |
13 | 17aa5c000 |
14 | c5855c41 |
15 | 79b49e89 |
hex | 4de91391 |
1307120529 has 64 divisors (see below), whose sum is σ = 2090592000. Its totient is φ = 726348480.
The previous prime is 1307120473. The next prime is 1307120537. The reversal of 1307120529 is 9250217031.
It is not a de Polignac number, because 1307120529 - 28 = 1307120273 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1307120496 and 1307120505.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1307120629) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8772547 + ... + 8772695.
It is an arithmetic number, because the mean of its divisors is an integer number (32665500).
Almost surely, 21307120529 is an apocalyptic number.
It is an amenable number.
1307120529 is a deficient number, since it is larger than the sum of its proper divisors (783471471).
1307120529 is an equidigital number, since it uses as much as digits as its factorization.
1307120529 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 224 (or 176 counting only the distinct ones).
The product of its (nonzero) digits is 3780, while the sum is 30.
The square root of 1307120529 is about 36154.1218811908. The cubic root of 1307120529 is about 1093.3818956365.
The spelling of 1307120529 in words is "one billion, three hundred seven million, one hundred twenty thousand, five hundred twenty-nine".
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