Base | Representation |
---|---|
bin | 1110011110110… |
… | …11100000000011 |
3 | 22110121002112010 |
4 | 13033123200003 |
5 | 222100012230 |
6 | 20015504003 |
7 | 3003415410 |
oct | 717334003 |
9 | 273532463 |
10 | 121485315 |
11 | 62636796 |
12 | 34828003 |
13 | 1c227003 |
14 | 121c5107 |
15 | a9ea9b0 |
hex | 73db803 |
121485315 has 32 divisors (see below), whose sum is σ = 235215360. Its totient is φ = 52268544.
The previous prime is 121485313. The next prime is 121485317. The reversal of 121485315 is 513584121.
It is an interprime number because it is at equal distance from previous prime (121485313) and next prime (121485317).
It is not a de Polignac number, because 121485315 - 21 = 121485313 is a prime.
It is not an unprimeable number, because it can be changed into a prime (121485313) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32245 + ... + 35814.
It is an arithmetic number, because the mean of its divisors is an integer number (7350480).
Almost surely, 2121485315 is an apocalyptic number.
121485315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
121485315 is a deficient number, since it is larger than the sum of its proper divisors (113730045).
121485315 is a wasteful number, since it uses less digits than its factorization.
121485315 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68091.
The product of its digits is 4800, while the sum is 30.
The square root of 121485315 is about 11022.0376972681. The cubic root of 121485315 is about 495.2691322909.
The spelling of 121485315 in words is "one hundred twenty-one million, four hundred eighty-five thousand, three hundred fifteen".
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