Base | Representation |
---|---|
bin | 111000101100011111… |
… | …1001001001111110001 |
3 | 102122021002221001220110 |
4 | 1301120333021033301 |
5 | 3443322010012431 |
6 | 131533200331533 |
7 | 11540062125060 |
oct | 1613077111761 |
9 | 378232831813 |
10 | 121752032241 |
11 | 476a8936954 |
12 | 1b71a613ba9 |
13 | b634181038 |
14 | 5c6dcd41d7 |
15 | 3278bd6346 |
hex | 1c58fc93f1 |
121752032241 has 32 divisors (see below), whose sum is σ = 191544680448. Its totient is φ = 67316699520.
The previous prime is 121752032177. The next prime is 121752032287. The reversal of 121752032241 is 142230257121.
It is not a de Polignac number, because 121752032241 - 26 = 121752032177 is a prime.
It is a super-3 number, since 3×1217520322413 (a number of 34 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 121752032199 and 121752032208.
It is not an unprimeable number, because it can be changed into a prime (121752032291) 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, 4920286 + ... + 4944968.
It is an arithmetic number, because the mean of its divisors is an integer number (5985771264).
Almost surely, 2121752032241 is an apocalyptic number.
It is an amenable number.
121752032241 is a deficient number, since it is larger than the sum of its proper divisors (69792648207).
121752032241 is a wasteful number, since it uses less digits than its factorization.
121752032241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32301.
The product of its (nonzero) digits is 6720, while the sum is 30.
Adding to 121752032241 its reverse (142230257121), we get a palindrome (263982289362).
The spelling of 121752032241 in words is "one hundred twenty-one billion, seven hundred fifty-two million, thirty-two thousand, two hundred forty-one".
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