Base | Representation |
---|---|
bin | 10010110001101… |
… | …001100001010100 |
3 | 210221201220122022 |
4 | 102301221201110 |
5 | 1121120130022 |
6 | 51131352312 |
7 | 10543332650 |
oct | 2261514124 |
9 | 727656568 |
10 | 315005012 |
11 | 1518a2a23 |
12 | 895b2698 |
13 | 503527ca |
14 | 2db9ba60 |
15 | 1c9c4c42 |
hex | 12c69854 |
315005012 has 48 divisors (see below), whose sum is σ = 661463040. Its totient is φ = 128412000.
The previous prime is 315005011. The next prime is 315005017. The reversal of 315005012 is 210500513.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (315005011) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48137 + ... + 54287.
It is an arithmetic number, because the mean of its divisors is an integer number (13780480).
Almost surely, 2315005012 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 315005012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330731520).
315005012 is an abundant number, since it is smaller than the sum of its proper divisors (346458028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
315005012 is a wasteful number, since it uses less digits than its factorization.
315005012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6252 (or 6250 counting only the distinct ones).
The product of its (nonzero) digits is 150, while the sum is 17.
The square root of 315005012 is about 17748.3805458414. The cubic root of 315005012 is about 680.4128202651.
Adding to 315005012 its reverse (210500513), we get a palindrome (525505525).
The spelling of 315005012 in words is "three hundred fifteen million, five thousand, twelve".
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