Base | Representation |
---|---|
bin | 111000011101010000… |
… | …1110011101011010011 |
3 | 102120221111101020002001 |
4 | 1300322201303223103 |
5 | 3441300200301420 |
6 | 131410343534431 |
7 | 11521315465531 |
oct | 1607241635323 |
9 | 376844336061 |
10 | 121241025235 |
11 | 47466441810 |
12 | 1b5b745a417 |
13 | b582343c25 |
14 | 5c220b5151 |
15 | 3248de6b0a |
hex | 1c3a873ad3 |
121241025235 has 32 divisors (see below), whose sum is σ = 159715862208. Its totient is φ = 87621304320.
The previous prime is 121241025197. The next prime is 121241025253. The reversal of 121241025235 is 532520142121.
It is a happy number.
It is not a de Polignac number, because 121241025235 - 213 = 121241017043 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5677939 + ... + 5699251.
It is an arithmetic number, because the mean of its divisors is an integer number (4991120694).
Almost surely, 2121241025235 is an apocalyptic number.
121241025235 is a deficient number, since it is larger than the sum of its proper divisors (38474836973).
121241025235 is a wasteful number, since it uses less digits than its factorization.
121241025235 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21975.
The product of its (nonzero) digits is 4800, while the sum is 28.
Adding to 121241025235 its reverse (532520142121), we get a palindrome (653761167356).
The spelling of 121241025235 in words is "one hundred twenty-one billion, two hundred forty-one million, twenty-five thousand, two hundred thirty-five".
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