Base | Representation |
---|---|
bin | 11110111011100010… |
… | …000010001000111001 |
3 | 10011201112102020100201 |
4 | 132323202002020321 |
5 | 1021004011011441 |
6 | 23131255402201 |
7 | 2254000054351 |
oct | 367342021071 |
9 | 104645366321 |
10 | 33211032121 |
11 | 130a2841a93 |
12 | 652a383361 |
13 | 31936c71c7 |
14 | 1870aa5b61 |
15 | ce59a5c31 |
hex | 7bb882239 |
33211032121 has 8 divisors (see below), whose sum is σ = 34963390080. Its totient is φ = 31459115088.
The previous prime is 33211032047. The next prime is 33211032139. The reversal of 33211032121 is 12123011233.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 33211032121 - 27 = 33211031993 is a prime.
It is a super-2 number, since 2×332110321212 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (33211032161) 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 7 ways as a sum of consecutive naturals, for example, 50400 + ... + 262606.
It is an arithmetic number, because the mean of its divisors is an integer number (4370423760).
Almost surely, 233211032121 is an apocalyptic number.
It is an amenable number.
33211032121 is a deficient number, since it is larger than the sum of its proper divisors (1752357959).
33211032121 is a wasteful number, since it uses less digits than its factorization.
33211032121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 220463.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 33211032121 its reverse (12123011233), we get a palindrome (45334043354).
It can be divided in two parts, 332110 and 32121, that added together give a triangular number (364231 = T853).
The spelling of 33211032121 in words is "thirty-three billion, two hundred eleven million, thirty-two thousand, one hundred twenty-one".
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