Base | Representation |
---|---|
bin | 1110011011001… |
… | …11111101010101 |
3 | 22102201001022220 |
4 | 13031213331111 |
5 | 221434341203 |
6 | 20001412553 |
7 | 2666404551 |
oct | 715477525 |
9 | 272631286 |
10 | 121012053 |
11 | 62343168 |
12 | 3463a159 |
13 | 1c0bc786 |
14 | 12100861 |
15 | a955653 |
hex | 7367f55 |
121012053 has 4 divisors (see below), whose sum is σ = 161349408. Its totient is φ = 80674700.
The previous prime is 121012051. The next prime is 121012063. The reversal of 121012053 is 350210121.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 121012053 - 21 = 121012051 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121012051) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20168673 + ... + 20168678.
It is an arithmetic number, because the mean of its divisors is an integer number (40337352).
Almost surely, 2121012053 is an apocalyptic number.
It is an amenable number.
121012053 is a deficient number, since it is larger than the sum of its proper divisors (40337355).
121012053 is an equidigital number, since it uses as much as digits as its factorization.
121012053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40337354.
The product of its (nonzero) digits is 60, while the sum is 15.
The square root of 121012053 is about 11000.5478499937. The cubic root of 121012053 is about 494.6251666975.
Adding to 121012053 its reverse (350210121), we get a palindrome (471222174).
The spelling of 121012053 in words is "one hundred twenty-one million, twelve thousand, fifty-three".
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