Base | Representation |
---|---|
bin | 1001000101001100010… |
… | …01111000000110010010 |
3 | 1002211101120120010122210 |
4 | 10202212021320012102 |
5 | 20103011431032432 |
6 | 355201544012550 |
7 | 31354163611644 |
oct | 4424611700622 |
9 | 1084346503583 |
10 | 312025252242 |
11 | 1103691362a0 |
12 | 50580761156 |
13 | 23568295392 |
14 | 11160254894 |
15 | 81b326b8cc |
hex | 48a6278192 |
312025252242 has 32 divisors (see below), whose sum is σ = 680829825024. Its totient is φ = 94546515600.
The previous prime is 312025252229. The next prime is 312025252247. The reversal of 312025252242 is 242252520213.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (312025252247) 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, 834783 + ... + 1149309.
It is an arithmetic number, because the mean of its divisors is an integer number (21275932032).
Almost surely, 2312025252242 is an apocalyptic number.
312025252242 is an abundant number, since it is smaller than the sum of its proper divisors (368804572782).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312025252242 is a wasteful number, since it uses less digits than its factorization.
312025252242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 329574.
The product of its (nonzero) digits is 19200, while the sum is 30.
Adding to 312025252242 its reverse (242252520213), we get a palindrome (554277772455).
The spelling of 312025252242 in words is "three hundred twelve billion, twenty-five million, two hundred fifty-two thousand, two hundred forty-two".
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