Base | Representation |
---|---|
bin | 111000011001111101… |
… | …1100000100101000101 |
3 | 102120122210001221010022 |
4 | 1300303323200211011 |
5 | 3441033330302440 |
6 | 131351351104525 |
7 | 11515502515352 |
oct | 1606373404505 |
9 | 376583057108 |
10 | 121130322245 |
11 | 474099aaa39 |
12 | 1b586372145 |
13 | b5654238ba |
14 | 5c114d9629 |
15 | 323e32acb5 |
hex | 1c33ee0945 |
121130322245 has 16 divisors (see below), whose sum is σ = 146007248112. Its totient is φ = 96470615040.
The previous prime is 121130322239. The next prime is 121130322263. The reversal of 121130322245 is 542223031121.
It can be written as a sum of positive squares in 8 ways, for example, as 12377452516 + 108752869729 = 111254^2 + 329777^2 .
It is not a de Polignac number, because 121130322245 - 230 = 120056580421 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4097939 + ... + 4127391.
It is an arithmetic number, because the mean of its divisors is an integer number (9125453007).
Almost surely, 2121130322245 is an apocalyptic number.
It is an amenable number.
121130322245 is a deficient number, since it is larger than the sum of its proper divisors (24876925867).
121130322245 is a wasteful number, since it uses less digits than its factorization.
121130322245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33112.
The product of its (nonzero) digits is 2880, while the sum is 26.
Adding to 121130322245 its reverse (542223031121), we get a palindrome (663353353366).
The spelling of 121130322245 in words is "one hundred twenty-one billion, one hundred thirty million, three hundred twenty-two thousand, two hundred forty-five".
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