Base | Representation |
---|---|
bin | 1110011110011… |
… | …10000010111010 |
3 | 22110111021220220 |
4 | 13033032002322 |
5 | 222041231302 |
6 | 20014400510 |
7 | 3003065625 |
oct | 717160272 |
9 | 273437826 |
10 | 121430202 |
11 | 625a9343 |
12 | 34800136 |
13 | 1c207bba |
14 | 121acdbc |
15 | a9d94bc |
hex | 73ce0ba |
121430202 has 32 divisors (see below), whose sum is σ = 255909888. Its totient is φ = 38336496.
The previous prime is 121430191. The next prime is 121430207. The reversal of 121430202 is 202034121.
It is not an unprimeable number, because it can be changed into a prime (121430207) 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, 9943 + ... + 18485.
It is an arithmetic number, because the mean of its divisors is an integer number (7997184).
Almost surely, 2121430202 is an apocalyptic number.
121430202 is an abundant number, since it is smaller than the sum of its proper divisors (134479686).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121430202 is a wasteful number, since it uses less digits than its factorization.
121430202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8674.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 121430202 is about 11019.5372861114. The cubic root of 121430202 is about 495.1942264023.
Adding to 121430202 its reverse (202034121), we get a palindrome (323464323).
The spelling of 121430202 in words is "one hundred twenty-one million, four hundred thirty thousand, two hundred two".
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