Base | Representation |
---|---|
bin | 10111111101100… |
… | …11001100111111 |
3 | 112000020110200001 |
4 | 23332303030333 |
5 | 402424341111 |
6 | 31540215131 |
7 | 4660400623 |
oct | 1376631477 |
9 | 460213601 |
10 | 201012031 |
11 | a3514350 |
12 | 5739a4a7 |
13 | 3284cb3c |
14 | 1c9a7183 |
15 | 129a91c1 |
hex | bfb333f |
201012031 has 8 divisors (see below), whose sum is σ = 219407184. Its totient is φ = 182637120.
The previous prime is 201011983. The next prime is 201012047. The reversal of 201012031 is 130210102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-201012031 is a prime.
It is a super-2 number, since 2×2010120312 = 80811673213489922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 201011999 and 201012017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201016031) 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, 22051 + ... + 29803.
It is an arithmetic number, because the mean of its divisors is an integer number (27425898).
Almost surely, 2201012031 is an apocalyptic number.
201012031 is a deficient number, since it is larger than the sum of its proper divisors (18395153).
201012031 is a wasteful number, since it uses less digits than its factorization.
201012031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10121.
The product of its (nonzero) digits is 12, while the sum is 10.
The square root of 201012031 is about 14177.8711730640. The cubic root of 201012031 is about 585.7882873922.
Adding to 201012031 its reverse (130210102), we get a palindrome (331222133).
It can be divided in two parts, 2010 and 12031, that added together give a palindrome (14041).
The spelling of 201012031 in words is "two hundred one million, twelve thousand, thirty-one".
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