Base | Representation |
---|---|
bin | 11110111101010001… |
… | …010110101110011111 |
3 | 10011210120022211222000 |
4 | 132331101112232133 |
5 | 1021033443330211 |
6 | 23134221053343 |
7 | 2254503106104 |
oct | 367521265637 |
9 | 104716284860 |
10 | 33240214431 |
11 | 131082640a6 |
12 | 65380b7253 |
13 | 3199773c48 |
14 | 1874900aab |
15 | ce831c656 |
hex | 7bd456b9f |
33240214431 has 32 divisors (see below), whose sum is σ = 49818746880. Its totient is φ = 21902462208.
The previous prime is 33240214321. The next prime is 33240214433. The reversal of 33240214431 is 13441204233.
It is not a de Polignac number, because 33240214431 - 213 = 33240206239 is a prime.
It is a super-2 number, since 2×332402144312 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 33240214395 and 33240214404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (33240214433) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2053090 + ... + 2069216.
It is an arithmetic number, because the mean of its divisors is an integer number (1556835840).
Almost surely, 233240214431 is an apocalyptic number.
33240214431 is a deficient number, since it is larger than the sum of its proper divisors (16578532449).
33240214431 is a wasteful number, since it uses less digits than its factorization.
33240214431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17020 (or 17014 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 27.
Adding to 33240214431 its reverse (13441204233), we get a palindrome (46681418664).
The spelling of 33240214431 in words is "thirty-three billion, two hundred forty million, two hundred fourteen thousand, four hundred thirty-one".
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