Base | Representation |
---|---|
bin | 1110100010010… |
… | …01110000101101 |
3 | 22111110001001000 |
4 | 13101021300231 |
5 | 222203440231 |
6 | 20033310513 |
7 | 3010306200 |
oct | 721116055 |
9 | 274401030 |
10 | 121936941 |
11 | 62915035 |
12 | 34a05439 |
13 | 1c354749 |
14 | 122a1937 |
15 | aa896e6 |
hex | 7449c2d |
121936941 has 96 divisors (see below), whose sum is σ = 224570880. Its totient is φ = 65100672.
The previous prime is 121936939. The next prime is 121936943. The reversal of 121936941 is 149639121.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (121936939) and next prime (121936943).
It is not a de Polignac number, because 121936941 - 21 = 121936939 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 121936896 and 121936905.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121936943) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2300671 + ... + 2300723.
It is an arithmetic number, because the mean of its divisors is an integer number (2339280).
Almost surely, 2121936941 is an apocalyptic number.
It is an amenable number.
121936941 is a deficient number, since it is larger than the sum of its proper divisors (102633939).
121936941 is a wasteful number, since it uses less digits than its factorization.
121936941 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 160 (or 147 counting only the distinct ones).
The product of its digits is 11664, while the sum is 36.
The square root of 121936941 is about 11042.5061014246. The cubic root of 121936941 is about 495.8821002400.
The spelling of 121936941 in words is "one hundred twenty-one million, nine hundred thirty-six thousand, nine hundred forty-one".
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