Base | Representation |
---|---|
bin | 1110011110011… |
… | …10000100101011 |
3 | 22110111022002002 |
4 | 13033032010223 |
5 | 222041232230 |
6 | 20014401215 |
7 | 3003066146 |
oct | 717160453 |
9 | 273438062 |
10 | 121430315 |
11 | 625a9436 |
12 | 3480020b |
13 | 1c207c76 |
14 | 121ad05d |
15 | a9d9545 |
hex | 73ce12b |
121430315 has 8 divisors (see below), whose sum is σ = 149270688. Its totient is φ = 94774720.
The previous prime is 121430299. The next prime is 121430333. The reversal of 121430315 is 513034121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 121430315 - 24 = 121430299 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295967 + ... + 296376.
It is an arithmetic number, because the mean of its divisors is an integer number (18658836).
Almost surely, 2121430315 is an apocalyptic number.
121430315 is a deficient number, since it is larger than the sum of its proper divisors (27840373).
121430315 is an equidigital number, since it uses as much as digits as its factorization.
121430315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 592389.
The product of its (nonzero) digits is 360, while the sum is 20.
The square root of 121430315 is about 11019.5424133673. The cubic root of 121430315 is about 495.1943800075.
Adding to 121430315 its reverse (513034121), we get a palindrome (634464436).
The spelling of 121430315 in words is "one hundred twenty-one million, four hundred thirty thousand, three hundred fifteen".
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