Base | Representation |
---|---|
bin | 110000000110101… |
… | …111001100000001 |
3 | 2002020122112100120 |
4 | 300012233030001 |
5 | 3123102310023 |
6 | 212030210453 |
7 | 26000001042 |
oct | 6006571401 |
9 | 2066575316 |
10 | 807072513 |
11 | 384631585 |
12 | 1a6353a29 |
13 | cb28b100 |
14 | 7928a8c9 |
15 | 4acc28e3 |
hex | 301af301 |
807072513 has 12 divisors (see below), whose sum is σ = 1165241520. Its totient is φ = 496659696.
The previous prime is 807072509. The next prime is 807072521. The reversal of 807072513 is 315270708.
It is not a de Polignac number, because 807072513 - 22 = 807072509 is a prime.
It is not an unprimeable number, because it can be changed into a prime (807072533) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 795423 + ... + 796436.
It is an arithmetic number, because the mean of its divisors is an integer number (97103460).
Almost surely, 2807072513 is an apocalyptic number.
It is an amenable number.
807072513 is a deficient number, since it is larger than the sum of its proper divisors (358169007).
807072513 is a wasteful number, since it uses less digits than its factorization.
807072513 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1591888 (or 1591875 counting only the distinct ones).
The product of its (nonzero) digits is 11760, while the sum is 33.
The square root of 807072513 is about 28409.0216832611. The cubic root of 807072513 is about 931.0453859240.
The spelling of 807072513 in words is "eight hundred seven million, seventy-two thousand, five hundred thirteen".
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