Base | Representation |
---|---|
bin | 10010111010101100… |
… | …001000011101001101 |
3 | 1221102120121112020122 |
4 | 102322230020131031 |
5 | 313044333002313 |
6 | 13155312354325 |
7 | 1316231103602 |
oct | 227254103515 |
9 | 57376545218 |
10 | 20312000333 |
11 | 868365a539 |
12 | 3b2a5459a5 |
13 | 1bb9217911 |
14 | da99006a9 |
15 | 7dd34a708 |
hex | 4bab0874d |
20312000333 has 8 divisors (see below), whose sum is σ = 21518732160. Its totient is φ = 19106591680.
The previous prime is 20312000321. The next prime is 20312000351. The reversal of 20312000333 is 33300021302.
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 20312000333 - 232 = 16017033037 is a prime.
It is a super-2 number, since 2×203120003332 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20312050333) 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, 299093 + ... + 360666.
It is an arithmetic number, because the mean of its divisors is an integer number (2689841520).
Almost surely, 220312000333 is an apocalyptic number.
It is an amenable number.
20312000333 is a deficient number, since it is larger than the sum of its proper divisors (1206731827).
20312000333 is a wasteful number, since it uses less digits than its factorization.
20312000333 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 661587.
The product of its (nonzero) digits is 324, while the sum is 17.
Adding to 20312000333 its reverse (33300021302), we get a palindrome (53612021635).
The spelling of 20312000333 in words is "twenty billion, three hundred twelve million, three hundred thirty-three", and thus it is an aban number.
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