Base | Representation |
---|---|
bin | 11001010011110… |
… | …01100100101011 |
3 | 112210111111000000 |
4 | 30221321210223 |
5 | 413322412230 |
6 | 33022314043 |
7 | 5155415340 |
oct | 1451714453 |
9 | 483444000 |
10 | 212310315 |
11 | a9930978 |
12 | 5b128923 |
13 | 34ca7609 |
14 | 202a87c7 |
15 | 1398bb60 |
hex | ca7992b |
212310315 has 112 divisors (see below), whose sum is σ = 447622848. Its totient is φ = 94618368.
The previous prime is 212310283. The next prime is 212310347. The reversal of 212310315 is 513013212.
It is an interprime number because it is at equal distance from previous prime (212310283) and next prime (212310347).
It is not a de Polignac number, because 212310315 - 25 = 212310283 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 1352217 + ... + 1352373.
Almost surely, 2212310315 is an apocalyptic number.
212310315 is an abundant number, since it is smaller than the sum of its proper divisors (235312533).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212310315 is an equidigital number, since it uses as much as digits as its factorization.
212310315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 240 (or 225 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 212310315 is about 14570.8721427374. The cubic root of 212310315 is about 596.5639855694.
Adding to 212310315 its reverse (513013212), we get a palindrome (725323527).
The spelling of 212310315 in words is "two hundred twelve million, three hundred ten thousand, three hundred fifteen".
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