Base | Representation |
---|---|
bin | 1110100010011… |
… | …10011001011100 |
3 | 22111111000002101 |
4 | 13101032121130 |
5 | 222210042212 |
6 | 20033534444 |
7 | 3010415440 |
oct | 721163134 |
9 | 274430071 |
10 | 121955932 |
11 | 6292832a |
12 | 34a14424 |
13 | 1c360297 |
14 | 122a8820 |
15 | aa90157 |
hex | 744e65c |
121955932 has 18 divisors (see below), whose sum is σ = 244028792. Its totient is φ = 52241784.
The previous prime is 121955921. The next prime is 121955963. The reversal of 121955932 is 239559121.
It is a junction number, because it is equal to n+sod(n) for n = 121955891 and 121955900.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57393 + ... + 59479.
Almost surely, 2121955932 is an apocalyptic number.
It is an amenable number.
121955932 is an abundant number, since it is smaller than the sum of its proper divisors (122072860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121955932 is an frugal number, since it uses more digits than its factorization.
121955932 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4185 (or 2096 counting only the distinct ones).
The product of its digits is 24300, while the sum is 37.
The square root of 121955932 is about 11043.3659723836. The cubic root of 121955932 is about 495.9078425295.
The spelling of 121955932 in words is "one hundred twenty-one million, nine hundred fifty-five thousand, nine hundred thirty-two".
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