Base | Representation |
---|---|
bin | 1110111010110… |
… | …00100100010011 |
3 | 22201110221100121 |
4 | 13131120210103 |
5 | 224014041230 |
6 | 20230131111 |
7 | 3046462213 |
oct | 735304423 |
9 | 281427317 |
10 | 125143315 |
11 | 64705030 |
12 | 35ab0a97 |
13 | 1cc07ccb |
14 | 12898243 |
15 | aebe77a |
hex | 7758913 |
125143315 has 8 divisors (see below), whose sum is σ = 163824048. Its totient is φ = 91013280.
The previous prime is 125143313. The next prime is 125143321. The reversal of 125143315 is 513341521.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 125143315 - 21 = 125143313 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 125143315.
It is not an unprimeable number, because it can be changed into a prime (125143313) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1137612 + ... + 1137721.
It is an arithmetic number, because the mean of its divisors is an integer number (20478006).
Almost surely, 2125143315 is an apocalyptic number.
125143315 is a deficient number, since it is larger than the sum of its proper divisors (38680733).
125143315 is a wasteful number, since it uses less digits than its factorization.
125143315 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2275349.
The product of its digits is 1800, while the sum is 25.
The square root of 125143315 is about 11186.7472931143. The cubic root of 125143315 is about 500.1910136849.
Adding to 125143315 its reverse (513341521), we get a palindrome (638484836).
The spelling of 125143315 in words is "one hundred twenty-five million, one hundred forty-three thousand, three hundred fifteen".
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