Base | Representation |
---|---|
bin | 111000010110101111… |
… | …1001011011010100001 |
3 | 102120101020200101111020 |
4 | 1300231133023122201 |
5 | 3440323142412400 |
6 | 131332530240053 |
7 | 11513021000166 |
oct | 1605537133241 |
9 | 376336611436 |
10 | 121022232225 |
11 | 47363993344 |
12 | 1b556126029 |
13 | b548c099cb |
14 | 5c0100006d |
15 | 3234ac92a0 |
hex | 1c2d7cb6a1 |
121022232225 has 48 divisors (see below), whose sum is σ = 210045603840. Its totient is φ = 61404321600.
The previous prime is 121022232203. The next prime is 121022232251. The reversal of 121022232225 is 522232220121.
It is not a de Polignac number, because 121022232225 - 28 = 121022231969 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 121022232195 and 121022232204.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 303949 + ... + 578298.
It is an arithmetic number, because the mean of its divisors is an integer number (4375950080).
Almost surely, 2121022232225 is an apocalyptic number.
121022232225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
121022232225 is a deficient number, since it is larger than the sum of its proper divisors (89023371615).
121022232225 is a wasteful number, since it uses less digits than its factorization.
121022232225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 882350 (or 882345 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 24.
Adding to 121022232225 its reverse (522232220121), we get a palindrome (643254452346).
The spelling of 121022232225 in words is "one hundred twenty-one billion, twenty-two million, two hundred thirty-two thousand, two hundred twenty-five".
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