Base | Representation |
---|---|
bin | 10010101111111001… |
… | …101011000000001101 |
3 | 1220221222000202220221 |
4 | 102233321223000031 |
5 | 312212014002313 |
6 | 13125325111341 |
7 | 1311602452033 |
oct | 225771530015 |
9 | 56858022827 |
10 | 20131000333 |
11 | 85a0474564 |
12 | 3a999b8551 |
13 | 1b8a883822 |
14 | d8d866553 |
15 | 7cc4e5c8d |
hex | 4afe6b00d |
20131000333 has 8 divisors (see below), whose sum is σ = 20267965760. Its totient is φ = 19994083200.
The previous prime is 20131000321. The next prime is 20131000349. The reversal of 20131000333 is 33300013102.
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 20131000333 - 25 = 20131000301 is a prime.
It is a super-2 number, since 2×201310003332 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20131000733) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1311658 + ... + 1326916.
It is an arithmetic number, because the mean of its divisors is an integer number (2533495720).
Almost surely, 220131000333 is an apocalyptic number.
It is an amenable number.
20131000333 is a deficient number, since it is larger than the sum of its proper divisors (136965427).
20131000333 is a wasteful number, since it uses less digits than its factorization.
20131000333 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24147.
The product of its (nonzero) digits is 162, while the sum is 16.
Adding to 20131000333 its reverse (33300013102), we get a palindrome (53431013435).
The spelling of 20131000333 in words is "twenty billion, one hundred thirty-one million, three hundred thirty-three", and thus it is an aban number.
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