Base | Representation |
---|---|
bin | 1110011100111… |
… | …01101010110100 |
3 | 22110010020010000 |
4 | 13032131222310 |
5 | 222013411202 |
6 | 20010231300 |
7 | 3001312134 |
oct | 716355264 |
9 | 273106100 |
10 | 121232052 |
11 | 62483487 |
12 | 34725530 |
13 | 1c168956 |
14 | 1215aac4 |
15 | a99a91c |
hex | 739dab4 |
121232052 has 30 divisors (see below), whose sum is σ = 316925378. Its totient is φ = 40410576.
The previous prime is 121232051. The next prime is 121232101. The reversal of 121232052 is 250232121.
It can be written as a sum of positive squares in only one way, i.e., 62157456 + 59074596 = 7884^2 + 7686^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121232051) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 186763 + ... + 187410.
Almost surely, 2121232052 is an apocalyptic number.
121232052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
121232052 is an abundant number, since it is smaller than the sum of its proper divisors (195693326).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121232052 is a wasteful number, since it uses less digits than its factorization.
121232052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 374189 (or 374178 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 121232052 is about 11010.5427659130. The cubic root of 121232052 is about 494.9247268460.
Adding to 121232052 its reverse (250232121), we get a palindrome (371464173).
The spelling of 121232052 in words is "one hundred twenty-one million, two hundred thirty-two thousand, fifty-two".
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