Base | Representation |
---|---|
bin | 111000011111001001… |
… | …0110011110011001001 |
3 | 102121002220020221220120 |
4 | 1300332102303303021 |
5 | 3441412333434231 |
6 | 131420522013453 |
7 | 11523013464612 |
oct | 1607622636311 |
9 | 377086227816 |
10 | 121304202441 |
11 | 47499072784 |
12 | 1b614647289 |
13 | b5924640a6 |
14 | 5c2a63cc09 |
15 | 324e725d96 |
hex | 1c3e4b3cc9 |
121304202441 has 4 divisors (see below), whose sum is σ = 161738936592. Its totient is φ = 80869468292.
The previous prime is 121304202431. The next prime is 121304202449. The reversal of 121304202441 is 144202403121.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 121304202441 - 26 = 121304202377 is a prime.
It is a super-2 number, since 2×1213042024412 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (121304202449) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20217367071 + ... + 20217367076.
It is an arithmetic number, because the mean of its divisors is an integer number (40434734148).
Almost surely, 2121304202441 is an apocalyptic number.
It is an amenable number.
121304202441 is a deficient number, since it is larger than the sum of its proper divisors (40434734151).
121304202441 is an equidigital number, since it uses as much as digits as its factorization.
121304202441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40434734150.
The product of its (nonzero) digits is 1536, while the sum is 24.
Adding to 121304202441 its reverse (144202403121), we get a palindrome (265506605562).
The spelling of 121304202441 in words is "one hundred twenty-one billion, three hundred four million, two hundred two thousand, four hundred forty-one".
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