Base | Representation |
---|---|
bin | 10010101110001110… |
… | …110111010011110011 |
3 | 1220220000100021111212 |
4 | 102232032313103303 |
5 | 312132332020311 |
6 | 13122445030335 |
7 | 1311112456220 |
oct | 225616672363 |
9 | 56800307455 |
10 | 20103001331 |
11 | 8586690496 |
12 | 3a905553ab |
13 | 1b84b2c57a |
14 | d89c58947 |
15 | 7c9d14c8b |
hex | 4ae3b74f3 |
20103001331 has 8 divisors (see below), whose sum is σ = 22991015424. Its totient is φ = 17219026440.
The previous prime is 20103001307. The next prime is 20103001349. The reversal of 20103001331 is 13310030102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20103001331 - 214 = 20102984947 is a prime.
It is a super-2 number, since 2×201030013312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20103001301) 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, 999125 + ... + 1019046.
It is an arithmetic number, because the mean of its divisors is an integer number (2873876928).
Almost surely, 220103001331 is an apocalyptic number.
20103001331 is a deficient number, since it is larger than the sum of its proper divisors (2888014093).
20103001331 is a wasteful number, since it uses less digits than its factorization.
20103001331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2019601.
The product of its (nonzero) digits is 54, while the sum is 14.
Adding to 20103001331 its reverse (13310030102), we get a palindrome (33413031433).
The spelling of 20103001331 in words is "twenty billion, one hundred three million, one thousand, three hundred thirty-one".
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