Base | Representation |
---|---|
bin | 1110011011010… |
… | …11001011101010 |
3 | 22102201201102222 |
4 | 13031223023222 |
5 | 221440302013 |
6 | 20001554042 |
7 | 2666461214 |
oct | 715531352 |
9 | 272651388 |
10 | 121025258 |
11 | 62352082 |
12 | 34645922 |
13 | 1c0c57a3 |
14 | 121055b4 |
15 | a959508 |
hex | 736b2ea |
121025258 has 4 divisors (see below), whose sum is σ = 181537890. Its totient is φ = 60512628.
The previous prime is 121025237. The next prime is 121025273. The reversal of 121025258 is 852520121.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 84143929 + 36881329 = 9173^2 + 6073^2 .
It is a super-2 number, since 2×1210252582 = 29294226147933128, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30256313 + ... + 30256316.
Almost surely, 2121025258 is an apocalyptic number.
121025258 is a deficient number, since it is larger than the sum of its proper divisors (60512632).
121025258 is an equidigital number, since it uses as much as digits as its factorization.
121025258 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60512631.
The product of its (nonzero) digits is 1600, while the sum is 26.
The square root of 121025258 is about 11001.1480310011. The cubic root of 121025258 is about 494.6431574337.
Adding to 121025258 its reverse (852520121), we get a palindrome (973545379).
The spelling of 121025258 in words is "one hundred twenty-one million, twenty-five thousand, two hundred fifty-eight".
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