Base | Representation |
---|---|
bin | 1001000001110111101… |
… | …11110001000101011001 |
3 | 1002122210022021122002211 |
4 | 10200323313301011121 |
5 | 20040333440320100 |
6 | 354305005155121 |
7 | 31262042336515 |
oct | 4407367610531 |
9 | 1078708248084 |
10 | 310242120025 |
11 | 10a633652702 |
12 | 5016355baa1 |
13 | 23342a2cb66 |
14 | 110314cd145 |
15 | 810b9461ba |
hex | 483bdf1159 |
310242120025 has 12 divisors (see below), whose sum is σ = 384833111292. Its totient is φ = 248107965440.
The previous prime is 310242120017. The next prime is 310242120029. The reversal of 310242120025 is 520021242013.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 7763019664 + 302479100361 = 88108^2 + 549981^2 .
It is not a de Polignac number, because 310242120025 - 23 = 310242120017 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 310242119978 and 310242120005.
It is not an unprimeable number, because it can be changed into a prime (310242120029) 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, 2069392 + ... + 2214241.
It is an arithmetic number, because the mean of its divisors is an integer number (32069425941).
Almost surely, 2310242120025 is an apocalyptic number.
It is an amenable number.
310242120025 is a deficient number, since it is larger than the sum of its proper divisors (74590991267).
310242120025 is a wasteful number, since it uses less digits than its factorization.
310242120025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4286540 (or 4286535 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 22.
Adding to 310242120025 its reverse (520021242013), we get a palindrome (830263362038).
The spelling of 310242120025 in words is "three hundred ten billion, two hundred forty-two million, one hundred twenty thousand, twenty-five".
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