Base | Representation |
---|---|
bin | 1110011011011… |
… | …00110111000111 |
3 | 22102202001212200 |
4 | 13031230313013 |
5 | 221441012020 |
6 | 20002045543 |
7 | 2666520240 |
oct | 715546707 |
9 | 272661780 |
10 | 121032135 |
11 | 62357264 |
12 | 346498b3 |
13 | 1c0c8963 |
14 | 12107cc7 |
15 | a95b590 |
hex | 736cdc7 |
121032135 has 48 divisors (see below), whose sum is σ = 240973824. Its totient is φ = 55048896.
The previous prime is 121032133. The next prime is 121032161. The reversal of 121032135 is 531230121.
It is not a de Polignac number, because 121032135 - 21 = 121032133 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121032133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69384 + ... + 71106.
It is an arithmetic number, because the mean of its divisors is an integer number (5020288).
Almost surely, 2121032135 is an apocalyptic number.
121032135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
121032135 is a deficient number, since it is larger than the sum of its proper divisors (119941689).
121032135 is a wasteful number, since it uses less digits than its factorization.
121032135 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1964 (or 1961 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 121032135 is about 11001.4605848496. The cubic root of 121032135 is about 494.6525262674.
Adding to 121032135 its reverse (531230121), we get a palindrome (652262256).
The spelling of 121032135 in words is "one hundred twenty-one million, thirty-two thousand, one hundred thirty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •