Base | Representation |
---|---|
bin | 10010111011111100… |
… | …101010110000001011 |
3 | 1221111001100010110111 |
4 | 102323330222300023 |
5 | 313120234043311 |
6 | 13201345055151 |
7 | 1316605413610 |
oct | 227374526013 |
9 | 57431303414 |
10 | 20333112331 |
11 | 869456a274 |
12 | 3b356274b7 |
13 | 1bc06ca21c |
14 | dac638507 |
15 | 7e011ad21 |
hex | 4bbf2ac0b |
20333112331 has 8 divisors (see below), whose sum is σ = 23517817344. Its totient is φ = 17218401000.
The previous prime is 20333112313. The next prime is 20333112341. The reversal of 20333112331 is 13321133302.
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 20333112331 - 27 = 20333112203 is a prime.
It is a super-2 number, since 2×203331123312 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (20333112301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17497795 + ... + 17498956.
It is an arithmetic number, because the mean of its divisors is an integer number (2939727168).
Almost surely, 220333112331 is an apocalyptic number.
20333112331 is a deficient number, since it is larger than the sum of its proper divisors (3184705013).
20333112331 is an equidigital number, since it uses as much as digits as its factorization.
20333112331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34996841.
The product of its (nonzero) digits is 972, while the sum is 22.
Adding to 20333112331 its reverse (13321133302), we get a palindrome (33654245633).
The spelling of 20333112331 in words is "twenty billion, three hundred thirty-three million, one hundred twelve thousand, three hundred thirty-one".
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